125271 has 12 divisors (see below), whose sum is σ = 187200. Its totient is φ = 80640.

The previous prime is 125269. The next prime is 125287. The reversal of 125271 is 172521.

125271 = T₃₀ + T₃₁ + ... + T₉₁.

It is not a de Polignac number, because 125271 - 2¹ = 125269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55 + ... + 503.

It is an arithmetic number, because the mean of its divisors is an integer number (15600).

2¹²⁵²⁷¹ is an apocalyptic number.

125271 is a deficient number, since it is larger than the sum of its proper divisors (61929).

125271 is a wasteful number, since it uses less digits than its factorization.

125271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 483 counting only the distinct ones).

The product of its digits is 140, while the sum is 18.

The square root of 125271 is about 353.9364349710. The cubic root of 125271 is about 50.0361072524.

Adding to 125271 its reverse (172521), we get a palindrome (297792).

The spelling of 125271 in words is "one hundred twenty-five thousand, two hundred seventy-one".