124021403131 has 2 divisors, whose sum is σ = 124021403132. Its totient is φ = 124021403130.

The previous prime is 124021403123. The next prime is 124021403201. The reversal of 124021403131 is 131304120421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124021403131 - 2³ = 124021403123 is a prime.

It is a super-2 number, since 2×124021403131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124021403731) by changing a digit.

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 as a sum of consecutive naturals, namely, 62010701565 + 62010701566.

It is an arithmetic number, because the mean of its divisors is an integer number (62010701566).

Almost surely, 2^124021403131 is an apocalyptic number.

124021403131 is a deficient number, since it is larger than the sum of its proper divisors (1).

124021403131 is an equidigital number, since it uses as much as digits as its factorization.

124021403131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 124021403131 its reverse (131304120421), we get a palindrome (255325523552).

The spelling of 124021403131 in words is "one hundred twenty-four billion, twenty-one million, four hundred three thousand, one hundred thirty-one".