123972008 has 16 divisors (see below), whose sum is σ = 236259060. Its totient is φ = 60969600.

The previous prime is 123971977. The next prime is 123972011. The reversal of 123972008 is 800279321.

It can be written as a sum of positive squares in 2 ways, for example, as 123165604 + 806404 = 11098^2 + 898^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126533 + ... + 127508.

Almost surely, 2^123972008 is an apocalyptic number.

It is an amenable number.

123972008 is a deficient number, since it is larger than the sum of its proper divisors (112287052).

123972008 is a wasteful number, since it uses less digits than its factorization.

123972008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254108 (or 254104 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 123972008 is about 11134.2717768159. The cubic root of 123972008 is about 498.6255693426.

The spelling of 123972008 in words is "one hundred twenty-three million, nine hundred seventy-two thousand, eight".