100724025 has 12 divisors (see below), whose sum is σ = 166530512. Its totient is φ = 53719440.

The previous prime is 100723999. The next prime is 100724051. The reversal of 100724025 is 520427001.

It is an interprime number because it is at equal distance from previous prime (100723999) and next prime (100724051).

It is not a de Polignac number, because 100724025 - 2¹³ = 100715833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100723992 and 100724010.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 671419 + ... + 671568.

Almost surely, 2^100724025 is an apocalyptic number.

100724025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100724025 is a deficient number, since it is larger than the sum of its proper divisors (65806487).

100724025 is a wasteful number, since it uses less digits than its factorization.

100724025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343000 (or 1342995 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 100724025 is about 10036.1359596211. The cubic root of 100724025 is about 465.2763994382.

The spelling of 100724025 in words is "one hundred million, seven hundred twenty-four thousand, twenty-five".