99105125 has 32 divisors (see below), whose sum is σ = 142331904. Its totient is φ = 67488000.

The previous prime is 99105113. The next prime is 99105133. The reversal of 99105125 is 52150199.

It is not a de Polignac number, because 99105125 - 2⁸ = 99104869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99105091 and 99105100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166829 + ... + 167421.

It is an arithmetic number, because the mean of its divisors is an integer number (4447872).

Almost surely, 2^99105125 is an apocalyptic number.

It is an amenable number.

99105125 is a deficient number, since it is larger than the sum of its proper divisors (43226779).

99105125 is a wasteful number, since it uses less digits than its factorization.

With its successor (99105126) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (796).

99105125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 32.

The square root of 99105125 is about 9955.1556994353. The cubic root of 99105125 is about 462.7701854473.

The spelling of 99105125 in words is "ninety-nine million, one hundred five thousand, one hundred twenty-five".