1118862870 has 32 divisors (see below), whose sum is σ = 2688284160. Its totient is φ = 298028640.

The previous prime is 1118862863. The next prime is 1118862883. The reversal of 1118862870 is 782688111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6861 + ... + 47799.

It is an arithmetic number, because the mean of its divisors is an integer number (84008880).

Almost surely, 2^1118862870 is an apocalyptic number.

1118862870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1118862870 is an abundant number, since it is smaller than the sum of its proper divisors (1569421290).

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

1118862870 is a wasteful number, since it uses less digits than its factorization.

1118862870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41860.

The product of its (nonzero) digits is 43008, while the sum is 42.

The square root of 1118862870 is about 33449.4076180730. The cubic root of 1118862870 is about 1038.1472405947.

The spelling of 1118862870 in words is "one billion, one hundred eighteen million, eight hundred sixty-two thousand, eight hundred seventy".