125190697 has 2 divisors, whose sum is σ = 125190698. Its totient is φ = 125190696.

The previous prime is 125190691. The next prime is 125190707. The reversal of 125190697 is 796091521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112021056 + 13169641 = 10584^2 + 3629^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125190697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125190691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62595348 + 62595349.

It is an arithmetic number, because the mean of its divisors is an integer number (62595349).

Almost surely, 2^125190697 is an apocalyptic number.

It is an amenable number.

125190697 is a deficient number, since it is larger than the sum of its proper divisors (1).

125190697 is an equidigital number, since it uses as much as digits as its factorization.

125190697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 40.

The square root of 125190697 is about 11188.8648664643. The cubic root of 125190697 is about 500.2541334771.

The spelling of 125190697 in words is "one hundred twenty-five million, one hundred ninety thousand, six hundred ninety-seven".