1255656 has 32 divisors (see below), whose sum is σ = 3173760. Its totient is φ = 413952.

The previous prime is 1255651. The next prime is 1255663. The reversal of 1255656 is 6565521.

It is not an unprimeable number, because it can be changed into a prime (1255651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2481 + ... + 2943.

It is an arithmetic number, because the mean of its divisors is an integer number (99180).

2^1255656 is an apocalyptic number.

It is an amenable number.

1255656 is an abundant number, since it is smaller than the sum of its proper divisors (1918104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1255656 is a wasteful number, since it uses less digits than its factorization.

1255656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585 (or 581 counting only the distinct ones).

The product of its digits is 9000, while the sum is 30.

The square root of 1255656 is about 1120.5605739986. The cubic root of 1255656 is about 107.8839631644.

The spelling of 1255656 in words is "one million, two hundred fifty-five thousand, six hundred fifty-six".