100870725 has 12 divisors (see below), whose sum is σ = 166773056. Its totient is φ = 53797680.

The previous prime is 100870723. The next prime is 100870727. The reversal of 100870725 is 527078001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (100870723) and next prime (100870727).

It is not a de Polignac number, because 100870725 - 2¹ = 100870723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100870692 and 100870701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100870723) 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, 672397 + ... + 672546.

Almost surely, 2^100870725 is an apocalyptic number.

100870725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100870725 is a deficient number, since it is larger than the sum of its proper divisors (65902331).

100870725 is a wasteful number, since it uses less digits than its factorization.

100870725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344956 (or 1344951 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 100870725 is about 10043.4418901092. The cubic root of 100870725 is about 465.5021745608.

The spelling of 100870725 in words is "one hundred million, eight hundred seventy thousand, seven hundred twenty-five".