112979399 has 32 divisors (see below), whose sum is σ = 134265600. Its totient is φ = 94113792.

The previous prime is 112979393. The next prime is 112979417. The reversal of 112979399 is 993979211.

It is a cyclic number.

It is not a de Polignac number, because 112979399 - 2²⁰ = 111930823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112979393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 758177 + ... + 758325.

It is an arithmetic number, because the mean of its divisors is an integer number (4195800).

Almost surely, 2^112979399 is an apocalyptic number.

112979399 is a deficient number, since it is larger than the sum of its proper divisors (21286201).

112979399 is a wasteful number, since it uses less digits than its factorization.

112979399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299.

The product of its digits is 275562, while the sum is 50.

The square root of 112979399 is about 10629.1767790361. The cubic root of 112979399 is about 483.4294311763.

The spelling of 112979399 in words is "one hundred twelve million, nine hundred seventy-nine thousand, three hundred ninety-nine".