125425757 has 2 divisors, whose sum is σ = 125425758. Its totient is φ = 125425756.

The previous prime is 125425747. The next prime is 125425787. The reversal of 125425757 is 757524521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121638841 + 3786916 = 11029^2 + 1946^2 .

It is a cyclic number.

It is not a de Polignac number, because 125425757 - 2⁸ = 125425501 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125425757.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125425717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62712878 + 62712879.

It is an arithmetic number, because the mean of its divisors is an integer number (62712879).

Almost surely, 2^125425757 is an apocalyptic number.

It is an amenable number.

125425757 is a deficient number, since it is larger than the sum of its proper divisors (1).

125425757 is an equidigital number, since it uses as much as digits as its factorization.

125425757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98000, while the sum is 38.

The square root of 125425757 is about 11199.3641337355. The cubic root of 125425757 is about 500.5670327047.

The spelling of 125425757 in words is "one hundred twenty-five million, four hundred twenty-five thousand, seven hundred fifty-seven".