1252656 has 30 divisors (see below), whose sum is σ = 3506100. Its totient is φ = 417504.

The previous prime is 1252639. The next prime is 1252661. The reversal of 1252656 is 6562521.

1252656 is a `hidden beast` number, since 1 + 2 + 5 + 2 + 656 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4206 + ... + 4493.

It is an arithmetic number, because the mean of its divisors is an integer number (116870).

2^1252656 is an apocalyptic number.

1252656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1252656 is an abundant number, since it is smaller than the sum of its proper divisors (2253444).

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

1252656 is a wasteful number, since it uses less digits than its factorization.

1252656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8713 (or 8704 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 1252656 is about 1119.2211577700. The cubic root of 1252656 is about 107.7979762414.

The spelling of 1252656 in words is "one million, two hundred fifty-two thousand, six hundred fifty-six".