125255 has 16 divisors (see below), whose sum is σ = 169344. Its totient is φ = 88320.

The previous prime is 125243. The next prime is 125261. The reversal of 125255 is 552521.

It is not a de Polignac number, because 125255 - 2¹⁰ = 124231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 125255.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2642 + ... + 2688.

It is an arithmetic number, because the mean of its divisors is an integer number (10584).

2¹²⁵²⁵⁵ is an apocalyptic number.

125255 is a deficient number, since it is larger than the sum of its proper divisors (44089).

125255 is a wasteful number, since it uses less digits than its factorization.

125255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106.

The product of its digits is 500, while the sum is 20.

The square root of 125255 is about 353.9138313206. The cubic root of 125255 is about 50.0339769062.

Adding to 125255 its reverse (552521), we get a palindrome (677776).

The spelling of 125255 in words is "one hundred twenty-five thousand, two hundred fifty-five".