112872139 has 16 divisors (see below), whose sum is σ = 119024640. Its totient is φ = 106928640.

The previous prime is 112872083. The next prime is 112872157. The reversal of 112872139 is 931278211.

It is a cyclic number.

It is not a de Polignac number, because 112872139 - 2²³ = 104483531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112872169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275767 + ... + 276175.

It is an arithmetic number, because the mean of its divisors is an integer number (7439040).

Almost surely, 2^112872139 is an apocalyptic number.

112872139 is a deficient number, since it is larger than the sum of its proper divisors (6152501).

112872139 is a wasteful number, since it uses less digits than its factorization.

112872139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630.

The product of its digits is 6048, while the sum is 34.

The square root of 112872139 is about 10624.1300349723. The cubic root of 112872139 is about 483.2763972039.

The spelling of 112872139 in words is "one hundred twelve million, eight hundred seventy-two thousand, one hundred thirty-nine".