124115309999 has 2 divisors, whose sum is σ = 124115310000. Its totient is φ = 124115309998.

The previous prime is 124115309887. The next prime is 124115310017. The reversal of 124115309999 is 999903511421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124115309999 is a prime.

It is a super-2 number, since 2×124115309999² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124115309999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124115305999) 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, 62057654999 + 62057655000.

It is an arithmetic number, because the mean of its divisors is an integer number (62057655000).

Almost surely, 2^124115309999 is an apocalyptic number.

124115309999 is a deficient number, since it is larger than the sum of its proper divisors (1).

124115309999 is an equidigital number, since it uses as much as digits as its factorization.

124115309999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 787320, while the sum is 53.

The spelling of 124115309999 in words is "one hundred twenty-four billion, one hundred fifteen million, three hundred nine thousand, nine hundred ninety-nine".