124321666920 has 64 divisors (see below), whose sum is σ = 406870914240. Its totient is φ = 30138585600.

The previous prime is 124321666879. The next prime is 124321666921. The reversal of 124321666920 is 29666123421.

It is not an unprimeable number, because it can be changed into a prime (124321666921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47090221 + ... + 47092860.

It is an arithmetic number, because the mean of its divisors is an integer number (6357358035).

Almost surely, 2^124321666920 is an apocalyptic number.

124321666920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124321666920 is an abundant number, since it is smaller than the sum of its proper divisors (282549247320).

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

124321666920 is a wasteful number, since it uses less digits than its factorization.

124321666920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94183106 (or 94183102 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 124321666920 in words is "one hundred twenty-four billion, three hundred twenty-one million, six hundred sixty-six thousand, nine hundred twenty".