1256 is nontrivially palindromic in base 7 and base 12.
It is a tau number, because it is divible by the number of its divisors (8).
It is an alternating number because its digits alternate between odd and even.
1256 is a nontrivial repdigit in base 12.
It is a plaindrome in base 10, base 12 and base 15.
It is a nialpdrome in base 11 and base 12.
It is a zygodrome in base 12.
It is a self number, because there is not a number n which added to its sum of digits gives 1256.
1256 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is an amenable number.
1256 is a wasteful number, since it uses less digits than its factorization.
1256 is an odious number, because the sum of its binary digits is odd.
The square root of 1256 is about 35.4400902933. The cubic root of 1256 is about 10.7893814242.
Adding to 1256 its reverse (6521), we get a palindrome (7777).
The spelling of 1256 in words is "one thousand, two hundred fifty-six".