125909299 has 2 divisors, whose sum is σ = 125909300. Its totient is φ = 125909298.

The previous prime is 125909249. The next prime is 125909347. The reversal of 125909299 is 992909521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125909299 - 2⁷ = 125909171 is a prime.

It is not a weakly prime, because it can be changed into another prime (125909249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62954649 + 62954650.

It is an arithmetic number, because the mean of its divisors is an integer number (62954650).

Almost surely, 2^125909299 is an apocalyptic number.

125909299 is a deficient number, since it is larger than the sum of its proper divisors (1).

125909299 is an equidigital number, since it uses as much as digits as its factorization.

125909299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131220, while the sum is 46.

The square root of 125909299 is about 11220.9312893360. The cubic root of 125909299 is about 501.2094706691.

The spelling of 125909299 in words is "one hundred twenty-five million, nine hundred nine thousand, two hundred ninety-nine".