100812007 has 4 divisors (see below), whose sum is σ = 101318800. Its totient is φ = 100305216.

The previous prime is 100811999. The next prime is 100812011. The reversal of 100812007 is 700218001.

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

It is a cyclic number.

It is not a de Polignac number, because 100812007 - 2³ = 100811999 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 (100812017) 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 3 ways as a sum of consecutive naturals, for example, 253098 + ... + 253495.

It is an arithmetic number, because the mean of its divisors is an integer number (25329700).

Almost surely, 2^100812007 is an apocalyptic number.

100812007 is a deficient number, since it is larger than the sum of its proper divisors (506793).

100812007 is an equidigital number, since it uses as much as digits as its factorization.

100812007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506792.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 100812007 is about 10040.5182635161. The cubic root of 100812007 is about 465.4118323197.

The spelling of 100812007 in words is "one hundred million, eight hundred twelve thousand, seven".