125572717 has 2 divisors, whose sum is σ = 125572718. Its totient is φ = 125572716.

The previous prime is 125572679. The next prime is 125572753. The reversal of 125572717 is 717275521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72777961 + 52794756 = 8531^2 + 7266^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125572717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125572817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62786358 + 62786359.

It is an arithmetic number, because the mean of its divisors is an integer number (62786359).

Almost surely, 2^125572717 is an apocalyptic number.

It is an amenable number.

125572717 is a deficient number, since it is larger than the sum of its proper divisors (1).

125572717 is an equidigital number, since it uses as much as digits as its factorization.

125572717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34300, while the sum is 37.

The square root of 125572717 is about 11205.9232997554. The cubic root of 125572717 is about 500.7624593870.

The spelling of 125572717 in words is "one hundred twenty-five million, five hundred seventy-two thousand, seven hundred seventeen".