1125912568 has 16 divisors (see below), whose sum is σ = 2303003160. Its totient is φ = 511778400.

The previous prime is 1125912551. The next prime is 1125912569. The reversal of 1125912568 is 8652195211.

It is a super-2 number, since 2×1125912568² = 2535358221560709248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1125912568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125912569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6397143 + ... + 6397318.

Almost surely, 2^1125912568 is an apocalyptic number.

It is an amenable number.

1125912568 is an abundant number, since it is smaller than the sum of its proper divisors (1177090592).

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

1125912568 is a wasteful number, since it uses less digits than its factorization.

1125912568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12794478 (or 12794474 counting only the distinct ones).

The product of its digits is 43200, while the sum is 40.

The square root of 1125912568 is about 33554.6206654166. The cubic root of 1125912568 is about 1040.3230529934.

The spelling of 1125912568 in words is "one billion, one hundred twenty-five million, nine hundred twelve thousand, five hundred sixty-eight".