125107057 has 2 divisors, whose sum is σ = 125107058. Its totient is φ = 125107056.

The previous prime is 125107049. The next prime is 125107061. The reversal of 125107057 is 750701521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123676641 + 1430416 = 11121^2 + 1196^2 .

It is a cyclic number.

It is not a de Polignac number, because 125107057 - 2³ = 125107049 is a prime.

It is a super-2 number, since 2×125107057² = 31303551422402498, which contains 22 as substring.

It is equal to p_7115851 and since 125107057 and 7115851 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (125107357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62553528 + 62553529.

It is an arithmetic number, because the mean of its divisors is an integer number (62553529).

Almost surely, 2^125107057 is an apocalyptic number.

It is an amenable number.

125107057 is a deficient number, since it is larger than the sum of its proper divisors (1).

125107057 is an equidigital number, since it uses as much as digits as its factorization.

125107057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 125107057 is about 11185.1265974060. The cubic root of 125107057 is about 500.1427019351.

Adding to 125107057 its reverse (750701521), we get a palindrome (875808578).

The spelling of 125107057 in words is "one hundred twenty-five million, one hundred seven thousand, fifty-seven".