125755171 has 6 divisors (see below), whose sum is σ = 133587980. Its totient is φ = 118357536.

The previous prime is 125755163. The next prime is 125755183. The reversal of 125755171 is 171557521.

It is not a de Polignac number, because 125755171 - 2³ = 125755163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125755141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 217281 + ... + 217858.

Almost surely, 2^125755171 is an apocalyptic number.

125755171 is a deficient number, since it is larger than the sum of its proper divisors (7832809).

125755171 is an equidigital number, since it uses as much as digits as its factorization.

125755171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435173 (or 435156 counting only the distinct ones).

The product of its digits is 12250, while the sum is 34.

The square root of 125755171 is about 11214.0613071269. The cubic root of 125755171 is about 501.0048737712.

The spelling of 125755171 in words is "one hundred twenty-five million, seven hundred fifty-five thousand, one hundred seventy-one".