99125397 has 32 divisors (see below), whose sum is σ = 171417600. Its totient is φ = 55432944.

The previous prime is 99125359. The next prime is 99125399. The reversal of 99125397 is 79352199.

It is a happy number.

It is not a de Polignac number, because 99125397 - 2⁷ = 99125269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99125399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3304 + ... + 14462.

It is an arithmetic number, because the mean of its divisors is an integer number (5356800).

Almost surely, 2^99125397 is an apocalyptic number.

It is an amenable number.

99125397 is a deficient number, since it is larger than the sum of its proper divisors (72292203).

99125397 is a wasteful number, since it uses less digits than its factorization.

99125397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11222 (or 11216 counting only the distinct ones).

The product of its digits is 153090, while the sum is 45.

The square root of 99125397 is about 9956.1738132678. The cubic root of 99125397 is about 462.8017365826.

The spelling of 99125397 in words is "ninety-nine million, one hundred twenty-five thousand, three hundred ninety-seven".