124224440121 has 12 divisors (see below), whose sum is σ = 179463997440. Its totient is φ = 82803049560.

The previous prime is 124224440111. The next prime is 124224440147. The reversal of 124224440121 is 121044422421.

124224440121 is a `hidden beast` number, since 12 + 4 + 2 + 244 + 401 + 2 + 1 = 666.

It is not a de Polignac number, because 124224440121 - 2⁶ = 124224440057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124224440101) 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, 1044081 + ... + 1156958.

It is an arithmetic number, because the mean of its divisors is an integer number (14955333120).

Almost surely, 2^124224440121 is an apocalyptic number.

It is an amenable number.

124224440121 is a deficient number, since it is larger than the sum of its proper divisors (55239557319).

124224440121 is a wasteful number, since it uses less digits than its factorization.

124224440121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207316 (or 2207313 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 124224440121 its reverse (121044422421), we get a palindrome (245268862542).

The spelling of 124224440121 in words is "one hundred twenty-four billion, two hundred twenty-four million, four hundred forty thousand, one hundred twenty-one".