100872715 has 4 divisors (see below), whose sum is σ = 121047264. Its totient is φ = 80698168.

The previous prime is 100872703. The next prime is 100872743. The reversal of 100872715 is 517278001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100872715 - 2⁵ = 100872683 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10087267 + ... + 10087276.

It is an arithmetic number, because the mean of its divisors is an integer number (30261816).

Almost surely, 2^100872715 is an apocalyptic number.

100872715 is a deficient number, since it is larger than the sum of its proper divisors (20174549).

100872715 is an equidigital number, since it uses as much as digits as its factorization.

100872715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20174548.

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 100872715 is about 10043.5409592434. The cubic root of 100872715 is about 465.5052357174.

The spelling of 100872715 in words is "one hundred million, eight hundred seventy-two thousand, seven hundred fifteen".