1057965188 has 12 divisors (see below), whose sum is σ = 2115930432. Its totient is φ = 453413640.

The previous prime is 1057965173. The next prime is 1057965191. The reversal of 1057965188 is 8815697501.

1057965188 is an admirable number.

It is a super-2 number, since 2×1057965188² = 2238580678039750688, which contains 22 as substring.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18892208 + ... + 18892263.

It is an arithmetic number, because the mean of its divisors is an integer number (176327536).

Almost surely, 2^1057965188 is an apocalyptic number.

It is an amenable number.

1057965188 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1057965188 is a wasteful number, since it uses less digits than its factorization.

1057965188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37784482 (or 37784480 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 50.

The square root of 1057965188 is about 32526.3768040647. The cubic root of 1057965188 is about 1018.9599767015.

The spelling of 1057965188 in words is "one billion, fifty-seven million, nine hundred sixty-five thousand, one hundred eighty-eight".