124432322121 has 16 divisors (see below), whose sum is σ = 189326457600. Its totient is φ = 80712856944.

The previous prime is 124432322117. The next prime is 124432322123. The reversal of 124432322121 is 121223234421.

124432322121 is a `hidden beast` number, since 1 + 2 + 4 + 432 + 3 + 221 + 2 + 1 = 666.

It is not a de Polignac number, because 124432322121 - 2² = 124432322117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (124432322123) 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, 62277441 + ... + 62279438.

It is an arithmetic number, because the mean of its divisors is an integer number (11832903600).

Almost surely, 2^124432322121 is an apocalyptic number.

It is an amenable number.

124432322121 is a deficient number, since it is larger than the sum of its proper divisors (64894135479).

124432322121 is a wasteful number, since it uses less digits than its factorization.

124432322121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124556925 (or 124556919 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 124432322121 its reverse (121223234421), we get a palindrome (245655556542).

The spelling of 124432322121 in words is "one hundred twenty-four billion, four hundred thirty-two million, three hundred twenty-two thousand, one hundred twenty-one".