100397875 has 32 divisors (see below), whose sum is σ = 133705728. Its totient is φ = 75090400.

The previous prime is 100397867. The next prime is 100397917. The reversal of 100397875 is 578793001.

It is not a de Polignac number, because 100397875 - 2³ = 100397867 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134754 + ... + 135496.

It is an arithmetic number, because the mean of its divisors is an integer number (4178304).

Almost surely, 2^100397875 is an apocalyptic number.

100397875 is a deficient number, since it is larger than the sum of its proper divisors (33307853).

100397875 is an equidigital number, since it uses as much as digits as its factorization.

100397875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 100397875 is about 10019.8740012038. The cubic root of 100397875 is about 464.7736594530.

The spelling of 100397875 in words is "one hundred million, three hundred ninety-seven thousand, eight hundred seventy-five".