100971804 has 24 divisors (see below), whose sum is σ = 236790400. Its totient is φ = 33487344.

The previous prime is 100971799. The next prime is 100971809. The reversal of 100971804 is 408179001.

It is an interprime number because it is at equal distance from previous prime (100971799) and next prime (100971809).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100971809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18754 + ... + 23529.

Almost surely, 2^100971804 is an apocalyptic number.

It is an amenable number.

100971804 is an abundant number, since it is smaller than the sum of its proper divisors (135818596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100971804 is a wasteful number, since it uses less digits than its factorization.

100971804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42489 (or 42487 counting only the distinct ones).

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

The square root of 100971804 is about 10048.4727197719. The cubic root of 100971804 is about 465.6576104302.

The spelling of 100971804 in words is "one hundred million, nine hundred seventy-one thousand, eight hundred four".