1113761172 has 24 divisors (see below), whose sum is σ = 2642824800. Its totient is φ = 364961056.

The previous prime is 1113761141. The next prime is 1113761191. The reversal of 1113761172 is 2711673111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785847 + ... + 787262.

It is an arithmetic number, because the mean of its divisors is an integer number (110117700).

Almost surely, 2^1113761172 is an apocalyptic number.

1113761172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1113761172 is an abundant number, since it is smaller than the sum of its proper divisors (1529063628).

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

1113761172 is a wasteful number, since it uses less digits than its factorization.

1113761172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573175 (or 1573173 counting only the distinct ones).

The product of its digits is 1764, while the sum is 30.

The square root of 1113761172 is about 33373.0605728633. The cubic root of 1113761172 is about 1036.5669504047.

The spelling of 1113761172 in words is "one billion, one hundred thirteen million, seven hundred sixty-one thousand, one hundred seventy-two".