126107171 has 2 divisors, whose sum is σ = 126107172. Its totient is φ = 126107170.

The previous prime is 126107159. The next prime is 126107239. The reversal of 126107171 is 171701621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126107171 - 2¹⁴ = 126090787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126107171.

It is not a weakly prime, because it can be changed into another prime (126107141) 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, 63053585 + 63053586.

It is an arithmetic number, because the mean of its divisors is an integer number (63053586).

Almost surely, 2^126107171 is an apocalyptic number.

126107171 is a deficient number, since it is larger than the sum of its proper divisors (1).

126107171 is an equidigital number, since it uses as much as digits as its factorization.

126107171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 588, while the sum is 26.

The square root of 126107171 is about 11229.7449214130. The cubic root of 126107171 is about 501.4718908231.

Adding to 126107171 its reverse (171701621), we get a palindrome (297808792).

The spelling of 126107171 in words is "one hundred twenty-six million, one hundred seven thousand, one hundred seventy-one".