1113288872 has 32 divisors (see below), whose sum is σ = 2182636800. Its totient is φ = 531351744.

The previous prime is 1113288829. The next prime is 1113288887. The reversal of 1113288872 is 2788823111.

It is a super-2 number, since 2×1113288872² = 2478824225038064768, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 87713 + ... + 99599.

It is an arithmetic number, because the mean of its divisors is an integer number (68207400).

Almost surely, 2^1113288872 is an apocalyptic number.

It is an amenable number.

1113288872 is a deficient number, since it is larger than the sum of its proper divisors (1069347928).

1113288872 is a wasteful number, since it uses less digits than its factorization.

1113288872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12425 (or 12421 counting only the distinct ones).

The product of its digits is 43008, while the sum is 41.

The square root of 1113288872 is about 33365.9837559152. The cubic root of 1113288872 is about 1036.4204079797.

The spelling of 1113288872 in words is "one billion, one hundred thirteen million, two hundred eighty-eight thousand, eight hundred seventy-two".