125185 has 4 divisors (see below), whose sum is σ = 150228. Its totient is φ = 100144.

The previous prime is 125183. The next prime is 125197. The reversal of 125185 is 581521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53361 + 71824 = 231^2 + 268^2 .

It is a cyclic number.

It is not a de Polignac number, because 125185 - 2¹ = 125183 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

125185 is a modest number, since divided by 185 gives 125 as remainder.

125185 is a lucky number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (125183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12514 + ... + 12523.

It is an arithmetic number, because the mean of its divisors is an integer number (37557).

2¹²⁵¹⁸⁵ is an apocalyptic number.

It is an amenable number.

125185 is a deficient number, since it is larger than the sum of its proper divisors (25043).

125185 is an equidigital number, since it uses as much as digits as its factorization.

125185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25042.

The product of its digits is 400, while the sum is 22.

The square root of 125185 is about 353.8149233710. The cubic root of 125185 is about 50.0246545078.

The spelling of 125185 in words is "one hundred twenty-five thousand, one hundred eighty-five".