123224872 has 16 divisors (see below), whose sum is σ = 231586740. Its totient is φ = 61468416.

The previous prime is 123224867. The next prime is 123224873. The reversal of 123224872 is 278422321.

It can be written as a sum of positive squares in 2 ways, for example, as 103917636 + 19307236 = 10194^2 + 4394^2 .

It is not an unprimeable number, because it can be changed into a prime (123224873) 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, 14323 + ... + 21250.

Almost surely, 2^123224872 is an apocalyptic number.

It is an amenable number.

123224872 is a deficient number, since it is larger than the sum of its proper divisors (108361868).

123224872 is a wasteful number, since it uses less digits than its factorization.

123224872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36012 (or 36008 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 123224872 is about 11100.6698896958. The cubic root of 123224872 is about 497.6218695909.

The spelling of 123224872 in words is "one hundred twenty-three million, two hundred twenty-four thousand, eight hundred seventy-two".