125701717 has 2 divisors, whose sum is σ = 125701718. Its totient is φ = 125701716.

The previous prime is 125701711. The next prime is 125701721. The reversal of 125701717 is 717107521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101485476 + 24216241 = 10074^2 + 4921^2 .

It is a cyclic number.

It is not a de Polignac number, because 125701717 - 2²³ = 117313109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125701711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62850858 + 62850859.

It is an arithmetic number, because the mean of its divisors is an integer number (62850859).

Almost surely, 2^125701717 is an apocalyptic number.

It is an amenable number.

125701717 is a deficient number, since it is larger than the sum of its proper divisors (1).

125701717 is an equidigital number, since it uses as much as digits as its factorization.

125701717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3430, while the sum is 31.

The square root of 125701717 is about 11211.6777067484. The cubic root of 125701717 is about 500.9338773270.

The spelling of 125701717 in words is "one hundred twenty-five million, seven hundred one thousand, seven hundred seventeen".