100071725 has 24 divisors (see below), whose sum is σ = 134158080. Its totient is φ = 73609920.

The previous prime is 100071691. The next prime is 100071733. The reversal of 100071725 is 527170001.

It is a happy number.

It is not a de Polignac number, because 100071725 - 2⁶ = 100071661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100071725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118856 + ... + 119694.

It is an arithmetic number, because the mean of its divisors is an integer number (5589920).

Almost surely, 2^100071725 is an apocalyptic number.

It is an amenable number.

100071725 is a deficient number, since it is larger than the sum of its proper divisors (34086355).

100071725 is a wasteful number, since it uses less digits than its factorization.

100071725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229 (or 1224 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 100071725 is about 10003.5856071711. The cubic root of 100071725 is about 464.2698294932.

The spelling of 100071725 in words is "one hundred million, seventy-one thousand, seven hundred twenty-five".