125735117 has 2 divisors, whose sum is σ = 125735118. Its totient is φ = 125735116.

The previous prime is 125735063. The next prime is 125735119. The reversal of 125735117 is 711537521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119006281 + 6728836 = 10909^2 + 2594^2 .

It is a cyclic number.

It is not a de Polignac number, because 125735117 - 2¹⁰ = 125734093 is a prime.

Together with 125735119, 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 (125735119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62867558 + 62867559.

It is an arithmetic number, because the mean of its divisors is an integer number (62867559).

Almost surely, 2^125735117 is an apocalyptic number.

It is an amenable number.

125735117 is a deficient number, since it is larger than the sum of its proper divisors (1).

125735117 is an equidigital number, since it uses as much as digits as its factorization.

125735117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7350, while the sum is 32.

The square root of 125735117 is about 11213.1671261959. The cubic root of 125735117 is about 500.9782408415.

The spelling of 125735117 in words is "one hundred twenty-five million, seven hundred thirty-five thousand, one hundred seventeen".