100938959 has 4 divisors (see below), whose sum is σ = 110115240. Its totient is φ = 91762680.

The previous prime is 100938947. The next prime is 100938991. The reversal of 100938959 is 959839001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 959839001 = 11 ⋅87258091.

It is a cyclic number.

It is not a de Polignac number, because 100938959 - 2²⁰ = 99890383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100938059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4588124 + ... + 4588145.

It is an arithmetic number, because the mean of its divisors is an integer number (27528810).

Almost surely, 2^100938959 is an apocalyptic number.

100938959 is a deficient number, since it is larger than the sum of its proper divisors (9176281).

100938959 is an equidigital number, since it uses as much as digits as its factorization.

100938959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9176280.

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 100938959 is about 10046.8382588753. The cubic root of 100938959 is about 465.6071138814.

The spelling of 100938959 in words is "one hundred million, nine hundred thirty-eight thousand, nine hundred fifty-nine".