125748457 has 2 divisors, whose sum is σ = 125748458. Its totient is φ = 125748456.

The previous prime is 125748419. The next prime is 125748461. The reversal of 125748457 is 754847521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122855056 + 2893401 = 11084^2 + 1701^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125748457 is a prime.

It is not a weakly prime, because it can be changed into another prime (125742457) 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, 62874228 + 62874229.

It is an arithmetic number, because the mean of its divisors is an integer number (62874229).

Almost surely, 2^125748457 is an apocalyptic number.

It is an amenable number.

125748457 is a deficient number, since it is larger than the sum of its proper divisors (1).

125748457 is an equidigital number, since it uses as much as digits as its factorization.

125748457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 313600, while the sum is 43.

The square root of 125748457 is about 11213.7619468223. The cubic root of 125748457 is about 500.9959574868.

The spelling of 125748457 in words is "one hundred twenty-five million, seven hundred forty-eight thousand, four hundred fifty-seven".