125506697 has 2 divisors, whose sum is σ = 125506698. Its totient is φ = 125506696.

The previous prime is 125506687. The next prime is 125506729. The reversal of 125506697 is 796605521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78570496 + 46936201 = 8864^2 + 6851^2 .

It is an emirp because it is prime and its reverse (796605521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125506697 - 2⁴ = 125506681 is a prime.

It is not a weakly prime, because it can be changed into another prime (125506657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62753348 + 62753349.

It is an arithmetic number, because the mean of its divisors is an integer number (62753349).

Almost surely, 2^125506697 is an apocalyptic number.

It is an amenable number.

125506697 is a deficient number, since it is larger than the sum of its proper divisors (1).

125506697 is an equidigital number, since it uses as much as digits as its factorization.

125506697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 125506697 is about 11202.9771489546. The cubic root of 125506697 is about 500.6746851903.

The spelling of 125506697 in words is "one hundred twenty-five million, five hundred six thousand, six hundred ninety-seven".