125238717 has 10 divisors (see below), whose sum is σ = 187085118. Its totient is φ = 83492424.

The previous prime is 125238689. The next prime is 125238719. The reversal of 125238717 is 717832521.

It can be written as a sum of positive squares in only one way, i.e., 119377476 + 5861241 = 10926^2 + 2421^2 .

It is not a de Polignac number, because 125238717 - 2⁶ = 125238653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125238719) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 772998 + ... + 773159.

Almost surely, 2^125238717 is an apocalyptic number.

It is an amenable number.

125238717 is a deficient number, since it is larger than the sum of its proper divisors (61846401).

125238717 is an equidigital number, since it uses as much as digits as its factorization.

125238717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546169 (or 1546160 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 125238717 is about 11191.0105441823. The cubic root of 125238717 is about 500.3180869318.

The spelling of 125238717 in words is "one hundred twenty-five million, two hundred thirty-eight thousand, seven hundred seventeen".