112870989 has 40 divisors (see below), whose sum is σ = 210226368. Its totient is φ = 58631040.

The previous prime is 112870981. The next prime is 112870993. The reversal of 112870989 is 989078211.

It is not a de Polignac number, because 112870989 - 2³ = 112870981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112870981) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2812 + ... + 15285.

Almost surely, 2^112870989 is an apocalyptic number.

It is an amenable number.

112870989 is a deficient number, since it is larger than the sum of its proper divisors (97355379).

112870989 is a wasteful number, since it uses less digits than its factorization.

112870989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18127 (or 18118 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 45.

The square root of 112870989 is about 10624.0759127559. The cubic root of 112870989 is about 483.2747559080.

The spelling of 112870989 in words is "one hundred twelve million, eight hundred seventy thousand, nine hundred eighty-nine".