125758390697 has 2 divisors, whose sum is σ = 125758390698. Its totient is φ = 125758390696.

The previous prime is 125758390603. The next prime is 125758390729. The reversal of 125758390697 is 796093857521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83708376976 + 42050013721 = 289324^2 + 205061^2 .

It is a cyclic number.

It is not a de Polignac number, because 125758390697 - 2³² = 121463423401 is a prime.

It is a super-2 number, since 2×125758390697² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125758396697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62879195348 + 62879195349.

It is an arithmetic number, because the mean of its divisors is an integer number (62879195349).

Almost surely, 2^125758390697 is an apocalyptic number.

It is an amenable number.

125758390697 is a deficient number, since it is larger than the sum of its proper divisors (1).

125758390697 is an equidigital number, since it uses as much as digits as its factorization.

125758390697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28576800, while the sum is 62.

The spelling of 125758390697 in words is "one hundred twenty-five billion, seven hundred fifty-eight million, three hundred ninety thousand, six hundred ninety-seven".