125171 has 8 divisors (see below), whose sum is σ = 136800. Its totient is φ = 114048.

The previous prime is 125149. The next prime is 125183. The reversal of 125171 is 171521.

125171 = T₄₃ + T₄₄ + ... + T₉₃.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125171 - 2⁶ = 125107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a plaindrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 125171.

It is not an unprimeable number, because it can be changed into a prime (125101) 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 7 ways as a sum of consecutive naturals, for example, 530 + ... + 728.

It is an arithmetic number, because the mean of its divisors is an integer number (17100).

2¹²⁵¹⁷¹ is an apocalyptic number.

125171 is a deficient number, since it is larger than the sum of its proper divisors (11629).

125171 is a wasteful number, since it uses less digits than its factorization.

125171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253.

The product of its digits is 70, while the sum is 17.

The square root of 125171 is about 353.7951384629. The cubic root of 125171 is about 50.0227896111.

Adding to 125171 its reverse (171521), we get a palindrome (296692).

The spelling of 125171 in words is "one hundred twenty-five thousand, one hundred seventy-one".