1401 is nontrivially palindromic in base 12 and base 15.
1401 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1041 = 3 ⋅347.
It is a cyclic number.
It is a D-number.
1401 is an undulating number in base 12 and base 15.
It is a Curzon number.
1401 is a lucky number.
It is a plaindrome in base 16.
It is a nialpdrome in base 14.
It is a self number, because there is not a number n which added to its sum of digits gives 1401.
It is an amenable number.
1401 is an equidigital number, since it uses as much as digits as its factorization.
1401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 470.
The square root of 1401 is about 37.4299345444. The cubic root of 1401 is about 11.1895523320.
Adding to 1401 its reverse (1041), we get a palindrome (2442).
The spelling of 1401 in words is "one thousand, four hundred one", and thus it is an iban number.