100809412 has 24 divisors (see below), whose sum is σ = 193741632. Its totient is φ = 45516000.

The previous prime is 100809409. The next prime is 100809463. The reversal of 100809412 is 214908001.

It is a happy number.

100809412 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

100809412 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943 + ... + 14230.

It is an arithmetic number, because the mean of its divisors is an integer number (8072568).

Almost surely, 2^100809412 is an apocalyptic number.

It is an amenable number.

100809412 is a deficient number, since it is larger than the sum of its proper divisors (92932220).

100809412 is a wasteful number, since it uses less digits than its factorization.

100809412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15339 (or 15337 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 100809412 is about 10040.3890362874. The cubic root of 100809412 is about 465.4078388997.

The spelling of 100809412 in words is "one hundred million, eight hundred nine thousand, four hundred twelve".