124042040424 has 48 divisors (see below), whose sum is σ = 336178685700. Its totient is φ = 41318855424.

The previous prime is 124042040377. The next prime is 124042040443. The reversal of 124042040424 is 424040240421.

124042040424 is a `hidden beast` number, since 12 + 404 + 204 + 0 + 42 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 81927612900 + 42114427524 = 286230^2 + 205218^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 488229 + ... + 697460.

Almost surely, 2^124042040424 is an apocalyptic number.

It is an amenable number.

124042040424 is an abundant number, since it is smaller than the sum of its proper divisors (212136645276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124042040424 is a wasteful number, since it uses less digits than its factorization.

124042040424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187154 (or 1187147 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 124042040424 its reverse (424040240421), we get a palindrome (548082280845).

The spelling of 124042040424 in words is "one hundred twenty-four billion, forty-two million, forty thousand, four hundred twenty-four".