124158749189 has 2 divisors, whose sum is σ = 124158749190. Its totient is φ = 124158749188.

The previous prime is 124158749179. The next prime is 124158749317. The reversal of 124158749189 is 981947851421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108806300164 + 15352449025 = 329858^2 + 123905^2 .

It is a cyclic number.

It is not a de Polignac number, because 124158749189 - 2²⁴ = 124141971973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124158749179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62079374594 + 62079374595.

It is an arithmetic number, because the mean of its divisors is an integer number (62079374595).

Almost surely, 2^124158749189 is an apocalyptic number.

It is an amenable number.

124158749189 is a deficient number, since it is larger than the sum of its proper divisors (1).

124158749189 is an equidigital number, since it uses as much as digits as its factorization.

124158749189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 59.

The spelling of 124158749189 in words is "one hundred twenty-four billion, one hundred fifty-eight million, seven hundred forty-nine thousand, one hundred eighty-nine".