104172725 has 12 divisors (see below), whose sum is σ = 135973440. Its totient is φ = 78951600.

The previous prime is 104172721. The next prime is 104172749. The reversal of 104172725 is 527271401.

It is not a de Polignac number, because 104172725 - 2² = 104172721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104172721) 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, 109181 + ... + 110130.

It is an arithmetic number, because the mean of its divisors is an integer number (11331120).

Almost surely, 2^104172725 is an apocalyptic number.

It is an amenable number.

104172725 is a deficient number, since it is larger than the sum of its proper divisors (31800715).

104172725 is a wasteful number, since it uses less digits than its factorization.

104172725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219340 (or 219335 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 104172725 is about 10206.5040537884. The cubic root of 104172725 is about 470.5271360396.

The spelling of 104172725 in words is "one hundred four million, one hundred seventy-two thousand, seven hundred twenty-five".