124240423131 has 32 divisors (see below), whose sum is σ = 204581168640. Its totient is φ = 73876514400.

The previous prime is 124240423129. The next prime is 124240423183. The reversal of 124240423131 is 131324042421.

124240423131 is a `hidden beast` number, since 1 + 2 + 424 + 0 + 4 + 231 + 3 + 1 = 666.

It is not a de Polignac number, because 124240423131 - 2¹ = 124240423129 is a prime.

It is a super-2 number, since 2×124240423131² (a number of 23 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 124240423095 and 124240423104.

It is not an unprimeable number, because it can be changed into a prime (124240423031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3930655 + ... + 3962136.

It is an arithmetic number, because the mean of its divisors is an integer number (6393161520).

Almost surely, 2^124240423131 is an apocalyptic number.

124240423131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

124240423131 is a deficient number, since it is larger than the sum of its proper divisors (80340745509).

124240423131 is a wasteful number, since it uses less digits than its factorization.

124240423131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7892864 (or 7892858 counting only the distinct ones).

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

Adding to 124240423131 its reverse (131324042421), we get a palindrome (255564465552).

The spelling of 124240423131 in words is "one hundred twenty-four billion, two hundred forty million, four hundred twenty-three thousand, one hundred thirty-one".