125904099 has 8 divisors (see below), whose sum is σ = 167935680. Its totient is φ = 83904296.

The previous prime is 125904083. The next prime is 125904101. The reversal of 125904099 is 990409521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125904099 - 2⁴ = 125904083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125904019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3772 + ... + 16310.

It is an arithmetic number, because the mean of its divisors is an integer number (20991960).

Almost surely, 2^125904099 is an apocalyptic number.

125904099 is a deficient number, since it is larger than the sum of its proper divisors (42031581).

125904099 is a wasteful number, since it uses less digits than its factorization.

125904099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15889.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 125904099 is about 11220.6995771208. The cubic root of 125904099 is about 501.2025706621.

The spelling of 125904099 in words is "one hundred twenty-five million, nine hundred four thousand, ninety-nine".