125828957 has 2 divisors, whose sum is σ = 125828958. Its totient is φ = 125828956.

The previous prime is 125828953. The next prime is 125828981. The reversal of 125828957 is 759828521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116942596 + 8886361 = 10814^2 + 2981^2 .

It is a cyclic number.

It is not a de Polignac number, because 125828957 - 2² = 125828953 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125828953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62914478 + 62914479.

It is an arithmetic number, because the mean of its divisors is an integer number (62914479).

Almost surely, 2^125828957 is an apocalyptic number.

It is an amenable number.

125828957 is a deficient number, since it is larger than the sum of its proper divisors (1).

125828957 is an equidigital number, since it uses as much as digits as its factorization.

125828957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 47.

The square root of 125828957 is about 11217.3507121780. The cubic root of 125828957 is about 501.1028416919.

The spelling of 125828957 in words is "one hundred twenty-five million, eight hundred twenty-eight thousand, nine hundred fifty-seven".