123012804 has 24 divisors (see below), whose sum is σ = 291315808. Its totient is φ = 40392000.

The previous prime is 123012787. The next prime is 123012839. The reversal of 123012804 is 408210321.

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, 75697 + ... + 77304.

Almost surely, 2^123012804 is an apocalyptic number.

It is an amenable number.

123012804 is an abundant number, since it is smaller than the sum of its proper divisors (168303004).

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

123012804 is a wasteful number, since it uses less digits than its factorization.

123012804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153075 (or 153073 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 123012804 is about 11091.1137402878. The cubic root of 123012804 is about 497.3362392925.

The spelling of 123012804 in words is "one hundred twenty-three million, twelve thousand, eight hundred four".