1118831904 has 36 divisors (see below), whose sum is σ = 3181679046. Its totient is φ = 372943872.

The previous prime is 1118831893. The next prime is 1118831939. The reversal of 1118831904 is 4091388111.

It can be written as a sum of positive squares in only one way, i.e., 712890000 + 405941904 = 26700^2 + 20148^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1942129 + ... + 1942704.

Almost surely, 2^1118831904 is an apocalyptic number.

It is an amenable number.

1118831904 is an abundant number, since it is smaller than the sum of its proper divisors (2062847142).

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

1118831904 is a wasteful number, since it uses less digits than its factorization.

1118831904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3884849 (or 3884838 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 36.

The square root of 1118831904 is about 33448.9447367178. The cubic root of 1118831904 is about 1038.1376631434.

The spelling of 1118831904 in words is "one billion, one hundred eighteen million, eight hundred thirty-one thousand, nine hundred four".