100904871 has 4 divisors (see below), whose sum is σ = 134539832. Its totient is φ = 67269912.

The previous prime is 100904863. The next prime is 100904879. The reversal of 100904871 is 178409001.

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

It is an interprime number because it is at equal distance from previous prime (100904863) and next prime (100904879).

It is not a de Polignac number, because 100904871 - 2³ = 100904863 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 (100904879) 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, 16817476 + ... + 16817481.

It is an arithmetic number, because the mean of its divisors is an integer number (33634958).

Almost surely, 2^100904871 is an apocalyptic number.

100904871 is a deficient number, since it is larger than the sum of its proper divisors (33634961).

100904871 is an equidigital number, since it uses as much as digits as its factorization.

100904871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33634960.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 100904871 is about 10045.1416615198. The cubic root of 100904871 is about 465.5546947347.

The spelling of 100904871 in words is "one hundred million, nine hundred four thousand, eight hundred seventy-one".