100725939 has 6 divisors (see below), whose sum is σ = 145493036. Its totient is φ = 67150620.

The previous prime is 100725931. The next prime is 100725941. The reversal of 100725939 is 939527001.

It is not a de Polignac number, because 100725939 - 2³ = 100725931 is a prime.

It is a super-3 number, since 3×100725939³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100725931) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5595877 + ... + 5595894.

Almost surely, 2^100725939 is an apocalyptic number.

100725939 is a deficient number, since it is larger than the sum of its proper divisors (44767097).

100725939 is a wasteful number, since it uses less digits than its factorization.

100725939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11191777 (or 11191774 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 100725939 is about 10036.2313145921. The cubic root of 100725939 is about 465.2793465450.

The spelling of 100725939 in words is "one hundred million, seven hundred twenty-five thousand, nine hundred thirty-nine".