124506605421 has 24 divisors (see below), whose sum is σ = 196219479456. Its totient is φ = 75448067040.

The previous prime is 124506605383. The next prime is 124506605429.

124506605421 is a `hidden beast` number, since 1 + 2 + 4 + 5 + 0 + 6 + 605 + 42 + 1 = 666.

124506605421 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 124506605421 - 2¹⁵ = 124506572653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124506605429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 661191 + ... + 828363.

It is an arithmetic number, because the mean of its divisors is an integer number (8175811644).

Almost surely, 2^124506605421 is an apocalyptic number.

124506605421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124506605421 is a deficient number, since it is larger than the sum of its proper divisors (71712874035).

124506605421 is a wasteful number, since it uses less digits than its factorization.

124506605421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174713 (or 174710 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

It can be divided in two parts, 124506 and 605421, that added together give a palindrome (729927).

The spelling of 124506605421 in words is "one hundred twenty-four billion, five hundred six million, six hundred five thousand, four hundred twenty-one".