1170256 has 10 divisors (see below), whose sum is σ = 2267402. Its totient is φ = 585120.

The previous prime is 1170251. The next prime is 1170271. The reversal of 1170256 is 6520711.

It can be written as a sum of positive squares in only one way, i.e., 1123600 + 46656 = 1060^2 + 216^2 .

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1170251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36555 + ... + 36586.

2^1170256 is an apocalyptic number.

1170256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1170256 is a deficient number, since it is larger than the sum of its proper divisors (1097146).

1170256 is an equidigital number, since it uses as much as digits as its factorization.

1170256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73149 (or 73143 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 1170256 is about 1081.7837122087. The cubic root of 1170256 is about 105.3805090539.

Adding to 1170256 its reverse (6520711), we get a palindrome (7690967).

The spelling of 1170256 in words is "one million, one hundred seventy thousand, two hundred fifty-six".