125309339 has 2 divisors, whose sum is σ = 125309340. Its totient is φ = 125309338.

The previous prime is 125309323. The next prime is 125309381. The reversal of 125309339 is 933903521.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (933903521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125309339 - 2⁴ = 125309323 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 125309299 and 125309308.

It is not a weakly prime, because it can be changed into another prime (125309399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62654669 + 62654670.

It is an arithmetic number, because the mean of its divisors is an integer number (62654670).

Almost surely, 2^125309339 is an apocalyptic number.

125309339 is a deficient number, since it is larger than the sum of its proper divisors (1).

125309339 is an equidigital number, since it uses as much as digits as its factorization.

125309339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21870, while the sum is 35.

The square root of 125309339 is about 11194.1653998858. The cubic root of 125309339 is about 500.4121122337.

The spelling of 125309339 in words is "one hundred twenty-five million, three hundred nine thousand, three hundred thirty-nine".