1113036120 has 128 divisors (see below), whose sum is σ = 4240166400. Its totient is φ = 254406528.

The previous prime is 1113036097. The next prime is 1113036139. The reversal of 1113036120 is 216303111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1113036093 and 1113036102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66054 + ... + 81173.

It is an arithmetic number, because the mean of its divisors is an integer number (33126300).

Almost surely, 2^1113036120 is an apocalyptic number.

1113036120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113036120 is an abundant number, since it is smaller than the sum of its proper divisors (3127130280).

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

1113036120 is a wasteful number, since it uses less digits than its factorization.

1113036120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147254 (or 147244 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1113036120 is about 33362.1959708890. The cubic root of 1113036120 is about 1036.3419685724.

Adding to 1113036120 its reverse (216303111), we get a palindrome (1329339231).

The spelling of 1113036120 in words is "one billion, one hundred thirteen million, thirty-six thousand, one hundred twenty".