1125584568 has 24 divisors (see below), whose sum is σ = 3048458400. Its totient is φ = 375194832.

The previous prime is 1125584563. The next prime is 1125584597. The reversal of 1125584568 is 8654855211.

1125584568 is a `hidden beast` number, since 1 + 1 + 2 + 5 + 5 + 84 + 568 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125584561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7816488 + ... + 7816631.

It is an arithmetic number, because the mean of its divisors is an integer number (127019100).

Almost surely, 2^1125584568 is an apocalyptic number.

1125584568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1125584568 is an abundant number, since it is smaller than the sum of its proper divisors (1922873832).

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

1125584568 is a wasteful number, since it uses less digits than its factorization.

1125584568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15633131 (or 15633124 counting only the distinct ones).

The product of its digits is 384000, while the sum is 45.

The square root of 1125584568 is about 33549.7327560146. The cubic root of 1125584568 is about 1040.2220211396. Note that the first 3 decimals are identical.

The spelling of 1125584568 in words is "one billion, one hundred twenty-five million, five hundred eighty-four thousand, five hundred sixty-eight".