124342421231 has 16 divisors (see below), whose sum is σ = 143012044800. Its totient is φ = 105900673920.

The previous prime is 124342421209. The next prime is 124342421239. The reversal of 124342421231 is 132124243421.

It is a cyclic number.

It is not a de Polignac number, because 124342421231 - 2¹⁰ = 124342420207 is a prime.

It is a super-2 number, since 2×124342421231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124342421194 and 124342421203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124342421239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1133495 + ... + 1238343.

It is an arithmetic number, because the mean of its divisors is an integer number (8938252800).

Almost surely, 2^124342421231 is an apocalyptic number.

124342421231 is a deficient number, since it is larger than the sum of its proper divisors (18669623569).

124342421231 is a wasteful number, since it uses less digits than its factorization.

124342421231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105934.

The product of its digits is 9216, while the sum is 29.

Adding to 124342421231 its reverse (132124243421), we get a palindrome (256466664652).

The spelling of 124342421231 in words is "one hundred twenty-four billion, three hundred forty-two million, four hundred twenty-one thousand, two hundred thirty-one".