124673473521 has 12 divisors (see below), whose sum is σ = 180115025220. Its totient is φ = 83101286400.

The previous prime is 124673473489. The next prime is 124673473537. The reversal of 124673473521 is 125374376421.

It is a happy number.

124673473521 is a `hidden beast` number, since 1 + 24 + 6 + 7 + 34 + 73 + 521 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 121129057296 + 3544416225 = 348036^2 + 59535^2 .

It is not a de Polignac number, because 124673473521 - 2⁵ = 124673473489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124673473921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1141776 + ... + 1246193.

It is an arithmetic number, because the mean of its divisors is an integer number (15009585435).

Almost surely, 2^124673473521 is an apocalyptic number.

It is an amenable number.

124673473521 is a deficient number, since it is larger than the sum of its proper divisors (55441551699).

124673473521 is a wasteful number, since it uses less digits than its factorization.

124673473521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393776 (or 2393773 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The spelling of 124673473521 in words is "one hundred twenty-four billion, six hundred seventy-three million, four hundred seventy-three thousand, five hundred twenty-one".