112879999 has 4 divisors (see below), whose sum is σ = 113125320. Its totient is φ = 112634680.

The previous prime is 112879997. The next prime is 112880023. The reversal of 112879999 is 999978211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112879999 - 2¹ = 112879997 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 (112879997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121969 + ... + 122890.

It is an arithmetic number, because the mean of its divisors is an integer number (28281330).

Almost surely, 2^112879999 is an apocalyptic number.

112879999 is a deficient number, since it is larger than the sum of its proper divisors (245321).

112879999 is an equidigital number, since it uses as much as digits as its factorization.

112879999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245320.

The product of its digits is 734832, while the sum is 55.

The square root of 112879999 is about 10624.4999411737. The cubic root of 112879999 is about 483.2876148063.

The spelling of 112879999 in words is "one hundred twelve million, eight hundred seventy-nine thousand, nine hundred ninety-nine".