1128625568 has 24 divisors (see below), whose sum is σ = 2539408032. Its totient is φ = 483696576.

The previous prime is 1128625507. The next prime is 1128625577. The reversal of 1128625568 is 8655268211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2519030 + ... + 2519477.

It is an arithmetic number, because the mean of its divisors is an integer number (105808668).

Almost surely, 2^1128625568 is an apocalyptic number.

It is an amenable number.

1128625568 is an abundant number, since it is smaller than the sum of its proper divisors (1410782464).

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

1128625568 is an equidigital number, since it uses as much as digits as its factorization.

1128625568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038524 (or 5038516 counting only the distinct ones).

The product of its digits is 230400, while the sum is 44.

The square root of 1128625568 is about 33595.0229647190. The cubic root of 1128625568 is about 1041.1579705536.

The spelling of 1128625568 in words is "one billion, one hundred twenty-eight million, six hundred twenty-five thousand, five hundred sixty-eight".