113999112 has 24 divisors (see below), whose sum is σ = 308747790. Its totient is φ = 37999680.

The previous prime is 113999101. The next prime is 113999129. The reversal of 113999112 is 211999311.

It can be written as a sum of positive squares in only one way, i.e., 105390756 + 8608356 = 10266^2 + 2934^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a nude number because it is divisible by every one of its digits.

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, 791589 + ... + 791732.

Almost surely, 2^113999112 is an apocalyptic number.

113999112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113999112 is an abundant number, since it is smaller than the sum of its proper divisors (194748678).

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

113999112 is a wasteful number, since it uses less digits than its factorization.

113999112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583333 (or 1583326 counting only the distinct ones).

The product of its digits is 4374, while the sum is 36.

The square root of 113999112 is about 10677.0366675403. The cubic root of 113999112 is about 484.8794995921.

The spelling of 113999112 in words is "one hundred thirteen million, nine hundred ninety-nine thousand, one hundred twelve".