124316989081 has 2 divisors, whose sum is σ = 124316989082. Its totient is φ = 124316989080.

The previous prime is 124316989057. The next prime is 124316989091. The reversal of 124316989081 is 180989613421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83385225225 + 40931763856 = 288765^2 + 202316^2 .

It is a cyclic number.

It is not a de Polignac number, because 124316989081 - 2¹¹ = 124316987033 is a prime.

It is a super-2 number, since 2×124316989081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124316989091) 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 as a sum of consecutive naturals, namely, 62158494540 + 62158494541.

It is an arithmetic number, because the mean of its divisors is an integer number (62158494541).

Almost surely, 2^124316989081 is an apocalyptic number.

It is an amenable number.

124316989081 is a deficient number, since it is larger than the sum of its proper divisors (1).

124316989081 is an equidigital number, since it uses as much as digits as its factorization.

124316989081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 52.

The spelling of 124316989081 in words is "one hundred twenty-four billion, three hundred sixteen million, nine hundred eighty-nine thousand, eighty-one".