124591387331 has 2 divisors, whose sum is σ = 124591387332. Its totient is φ = 124591387330.

The previous prime is 124591387321. The next prime is 124591387339. The reversal of 124591387331 is 133783195421.

It is a strong prime.

It is an emirp because it is prime and its reverse (133783195421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124591387331 - 2¹⁴ = 124591370947 is a prime.

It is a super-2 number, since 2×124591387331² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124591387339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62295693665 + 62295693666.

It is an arithmetic number, because the mean of its divisors is an integer number (62295693666).

Almost surely, 2^124591387331 is an apocalyptic number.

124591387331 is a deficient number, since it is larger than the sum of its proper divisors (1).

124591387331 is an equidigital number, since it uses as much as digits as its factorization.

124591387331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 47.

The spelling of 124591387331 in words is "one hundred twenty-four billion, five hundred ninety-one million, three hundred eighty-seven thousand, three hundred thirty-one".