125982797 has 2 divisors, whose sum is σ = 125982798. Its totient is φ = 125982796.

The previous prime is 125982761. The next prime is 125982803. The reversal of 125982797 is 797289521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91278916 + 34703881 = 9554^2 + 5891^2 .

It is a cyclic number.

It is not a de Polignac number, because 125982797 - 2¹⁰ = 125981773 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125982737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62991398 + 62991399.

It is an arithmetic number, because the mean of its divisors is an integer number (62991399).

Almost surely, 2^125982797 is an apocalyptic number.

It is an amenable number.

125982797 is a deficient number, since it is larger than the sum of its proper divisors (1).

125982797 is an equidigital number, since it uses as much as digits as its factorization.

125982797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 50.

The square root of 125982797 is about 11224.2058516405. The cubic root of 125982797 is about 501.3069766473.

The spelling of 125982797 in words is "one hundred twenty-five million, nine hundred eighty-two thousand, seven hundred ninety-seven".