125957501 has 2 divisors, whose sum is σ = 125957502. Its totient is φ = 125957500.

The previous prime is 125957483. The next prime is 125957519. The reversal of 125957501 is 105759521.

It is a balanced prime because it is at equal distance from previous prime (125957483) and next prime (125957519).

It can be written as a sum of positive squares in only one way, i.e., 69722500 + 56235001 = 8350^2 + 7499^2 .

It is a cyclic number.

It is not a de Polignac number, because 125957501 - 2¹⁰ = 125956477 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 (125957561) 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, 62978750 + 62978751.

It is an arithmetic number, because the mean of its divisors is an integer number (62978751).

Almost surely, 2^125957501 is an apocalyptic number.

It is an amenable number.

125957501 is a deficient number, since it is larger than the sum of its proper divisors (1).

125957501 is an equidigital number, since it uses as much as digits as its factorization.

125957501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15750, while the sum is 35.

The square root of 125957501 is about 11223.0789447460. The cubic root of 125957501 is about 501.2734220393.

The spelling of 125957501 in words is "one hundred twenty-five million, nine hundred fifty-seven thousand, five hundred one".