99125187 has 12 divisors (see below), whose sum is σ = 153745416. Its totient is φ = 56642880.

The previous prime is 99125179. The next prime is 99125207. The reversal of 99125187 is 78152199.

It is not a de Polignac number, because 99125187 - 2³ = 99125179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99125107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 337014 + ... + 337307.

It is an arithmetic number, because the mean of its divisors is an integer number (12812118).

Almost surely, 2^99125187 is an apocalyptic number.

99125187 is a deficient number, since it is larger than the sum of its proper divisors (54620229).

99125187 is a wasteful number, since it uses less digits than its factorization.

99125187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674338 (or 674331 counting only the distinct ones).

The product of its digits is 45360, while the sum is 42.

The square root of 99125187 is about 9956.1632670422. The cubic root of 99125187 is about 462.8014097628.

The spelling of 99125187 in words is "ninety-nine million, one hundred twenty-five thousand, one hundred eighty-seven".