124432040421 has 24 divisors (see below), whose sum is σ = 203748373920. Its totient is φ = 72543374496.

The previous prime is 124432040407. The next prime is 124432040423. The reversal of 124432040421 is 124040234421.

124432040421 is a `hidden beast` number, since 12 + 443 + 204 + 0 + 4 + 2 + 1 = 666.

It is not a de Polignac number, because 124432040421 - 2⁵ = 124432040389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124432040423) 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, 27985191 + ... + 27989636.

It is an arithmetic number, because the mean of its divisors is an integer number (8489515580).

Almost surely, 2^124432040421 is an apocalyptic number.

It is an amenable number.

124432040421 is a deficient number, since it is larger than the sum of its proper divisors (79316333499).

124432040421 is a wasteful number, since it uses less digits than its factorization.

124432040421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55974865 (or 55974862 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 124432040421 its reverse (124040234421), we get a palindrome (248472274842).

The spelling of 124432040421 in words is "one hundred twenty-four billion, four hundred thirty-two million, forty thousand, four hundred twenty-one".