125045057 has 2 divisors, whose sum is σ = 125045058. Its totient is φ = 125045056.

The previous prime is 125045027. The next prime is 125045069. The reversal of 125045057 is 750540521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95277121 + 29767936 = 9761^2 + 5456^2 .

It is a cyclic number.

It is not a de Polignac number, because 125045057 - 2¹⁰ = 125044033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125045027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62522528 + 62522529.

It is an arithmetic number, because the mean of its divisors is an integer number (62522529).

Almost surely, 2^125045057 is an apocalyptic number.

It is an amenable number.

125045057 is a deficient number, since it is larger than the sum of its proper divisors (1).

125045057 is an equidigital number, since it uses as much as digits as its factorization.

125045057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 125045057 is about 11182.3547162483. The cubic root of 125045057 is about 500.0600687832.

Adding to 125045057 its reverse (750540521), we get a palindrome (875585578).

The spelling of 125045057 in words is "one hundred twenty-five million, forty-five thousand, fifty-seven".