104128912 has 20 divisors (see below), whose sum is σ = 210522240. Its totient is φ = 49800608.

The previous prime is 104128909. The next prime is 104128933. The reversal of 104128912 is 219821401.

It is an unprimeable number.

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, 141112 + ... + 141847.

It is an arithmetic number, because the mean of its divisors is an integer number (10526112).

Almost surely, 2^104128912 is an apocalyptic number.

It is an amenable number.

104128912 is an abundant number, since it is smaller than the sum of its proper divisors (106393328).

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

104128912 is a wasteful number, since it uses less digits than its factorization.

104128912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282990 (or 282984 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 104128912 is about 10204.3575005975. The cubic root of 104128912 is about 470.4611619688.

The spelling of 104128912 in words is "one hundred four million, one hundred twenty-eight thousand, nine hundred twelve".