126175057 has 2 divisors, whose sum is σ = 126175058. Its totient is φ = 126175056.

The previous prime is 126175043. The next prime is 126175061. The reversal of 126175057 is 750571621.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124456336 + 1718721 = 11156^2 + 1311^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126175057 is a prime.

It is not a weakly prime, because it can be changed into another prime (126175097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63087528 + 63087529.

It is an arithmetic number, because the mean of its divisors is an integer number (63087529).

Almost surely, 2^126175057 is an apocalyptic number.

It is an amenable number.

126175057 is a deficient number, since it is larger than the sum of its proper divisors (1).

126175057 is an equidigital number, since it uses as much as digits as its factorization.

126175057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14700, while the sum is 34.

The square root of 126175057 is about 11232.7671123370. The cubic root of 126175057 is about 501.5618587810.

The spelling of 126175057 in words is "one hundred twenty-six million, one hundred seventy-five thousand, fifty-seven".