125140171 has 16 divisors (see below), whose sum is σ = 141684480. Its totient is φ = 109660320.

The previous prime is 125140163. The next prime is 125140181. The reversal of 125140171 is 171041521.

It is not a de Polignac number, because 125140171 - 2³ = 125140163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125140181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40056 + ... + 43066.

It is an arithmetic number, because the mean of its divisors is an integer number (8855280).

Almost surely, 2^125140171 is an apocalyptic number.

125140171 is a deficient number, since it is larger than the sum of its proper divisors (16544309).

125140171 is a wasteful number, since it uses less digits than its factorization.

125140171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3186.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 125140171 is about 11186.6067688106. The cubic root of 125140171 is about 500.1868248509.

Adding to 125140171 its reverse (171041521), we get a palindrome (296181692).

It can be divided in two parts, 1251 and 40171, that multiplied together give a square (50253921 = 7089²).

The spelling of 125140171 in words is "one hundred twenty-five million, one hundred forty thousand, one hundred seventy-one".