1125557635 has 32 divisors (see below), whose sum is σ = 1401235200. Its totient is φ = 867609600.

The previous prime is 1125557627. The next prime is 1125557651. The reversal of 1125557635 is 5367555211.

It is not a de Polignac number, because 1125557635 - 2³ = 1125557627 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 3550497 + ... + 3550813.

It is an arithmetic number, because the mean of its divisors is an integer number (43788600).

Almost surely, 2^1125557635 is an apocalyptic number.

1125557635 is a deficient number, since it is larger than the sum of its proper divisors (275677565).

1125557635 is a wasteful number, since it uses less digits than its factorization.

1125557635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591.

The product of its digits is 157500, while the sum is 40.

The square root of 1125557635 is about 33549.3313644251. The cubic root of 1125557635 is about 1040.2137242587.

The spelling of 1125557635 in words is "one billion, one hundred twenty-five million, five hundred fifty-seven thousand, six hundred thirty-five".