100406875 has 10 divisors (see below), whose sum is σ = 125469212. Its totient is φ = 80325000.

The previous prime is 100406869. The next prime is 100406893. The reversal of 100406875 is 578604001.

It is not a de Polignac number, because 100406875 - 2⁹ = 100406363 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 79701 + ... + 80950.

Almost surely, 2^100406875 is an apocalyptic number.

100406875 is a deficient number, since it is larger than the sum of its proper divisors (25062337).

100406875 is an frugal number, since it uses more digits than its factorization.

100406875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160671 (or 160656 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 100406875 is about 10020.3230985832. The cubic root of 100406875 is about 464.7875469911.

The spelling of 100406875 in words is "one hundred million, four hundred six thousand, eight hundred seventy-five".