124998317 has 2 divisors, whose sum is σ = 124998318. Its totient is φ = 124998316.

The previous prime is 124998281. The next prime is 124998319. The reversal of 124998317 is 713899421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106110601 + 18887716 = 10301^2 + 4346^2 .

It is a cyclic number.

It is not a de Polignac number, because 124998317 - 2⁸ = 124998061 is a prime.

Together with 124998319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124998319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62499158 + 62499159.

It is an arithmetic number, because the mean of its divisors is an integer number (62499159).

Almost surely, 2^124998317 is an apocalyptic number.

It is an amenable number.

124998317 is a deficient number, since it is larger than the sum of its proper divisors (1).

124998317 is an equidigital number, since it uses as much as digits as its factorization.

124998317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 44.

The square root of 124998317 is about 11180.2646211975. The cubic root of 124998317 is about 499.9977559899.

The spelling of 124998317 in words is "one hundred twenty-four million, nine hundred ninety-eight thousand, three hundred seventeen".