1252308456 has 48 divisors (see below), whose sum is σ = 3876194400. Its totient is φ = 357802272.

The previous prime is 1252308443. The next prime is 1252308461. The reversal of 1252308456 is 6548032521.

1252308456 is a `hidden beast` number, since 1 + 2 + 523 + 0 + 84 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1252308456.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1241866 + ... + 1242873.

It is an arithmetic number, because the mean of its divisors is an integer number (80754050).

Almost surely, 2^1252308456 is an apocalyptic number.

It is an amenable number.

1252308456 is an abundant number, since it is smaller than the sum of its proper divisors (2623885944).

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

1252308456 is a wasteful number, since it uses less digits than its factorization.

1252308456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484758 (or 2484751 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 1252308456 is about 35387.9704984618. The cubic root of 1252308456 is about 1077.8800595821.

The spelling of 1252308456 in words is "one billion, two hundred fifty-two million, three hundred eight thousand, four hundred fifty-six".