312125 has 16 divisors (see below), whose sum is σ = 426816. Its totient is φ = 226000.

The previous prime is 312121. The next prime is 312161. The reversal of 312125 is 521213.

It is a happy number.

It is not a de Polignac number, because 312125 - 2² = 312121 is a prime.

It is a Duffinian number.

It is a Curzon 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 312125.

It is not an unprimeable number, because it can be changed into a prime (312121) 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, 1262 + ... + 1488.

It is an arithmetic number, because the mean of its divisors is an integer number (26676).

2³¹²¹²⁵ is an apocalyptic number.

It is an amenable number.

312125 is a deficient number, since it is larger than the sum of its proper divisors (114691).

312125 is a wasteful number, since it uses less digits than its factorization.

312125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 243 counting only the distinct ones).

The product of its digits is 60, while the sum is 14.

The square root of 312125 is about 558.6814834948. The cubic root of 312125 is about 67.8332853738.

Adding to 312125 its reverse (521213), we get a palindrome (833338).

The spelling of 312125 in words is "three hundred twelve thousand, one hundred twenty-five".