1113518120 has 64 divisors (see below), whose sum is σ = 2943440640. Its totient is φ = 373766400.

The previous prime is 1113518099. The next prime is 1113518141. The reversal of 1113518120 is 218153111.

It is an interprime number because it is at equal distance from previous prime (1113518099) and next prime (1113518141).

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 15 ways as a sum of consecutive naturals, for example, 91616 + ... + 103055.

It is an arithmetic number, because the mean of its divisors is an integer number (45991260).

Almost surely, 2^1113518120 is an apocalyptic number.

1113518120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113518120 is an abundant number, since it is smaller than the sum of its proper divisors (1829922520).

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

1113518120 is a wasteful number, since it uses less digits than its factorization.

1113518120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194706 (or 194702 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 23.

The square root of 1113518120 is about 33369.4189341079. The cubic root of 1113518120 is about 1036.4915428561.

The spelling of 1113518120 in words is "one billion, one hundred thirteen million, five hundred eighteen thousand, one hundred twenty".