312040125 has 48 divisors (see below), whose sum is σ = 569786880. Its totient is φ = 164268000.

The previous prime is 312040123. The next prime is 312040133. The reversal of 312040125 is 521040213.

It is not a de Polignac number, because 312040125 - 2¹ = 312040123 is a prime.

It is a super-2 number, since 2×312040125² = 194738079220031250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312040098 and 312040107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312040123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87120 + ... + 90630.

It is an arithmetic number, because the mean of its divisors is an integer number (11870560).

Almost surely, 2^312040125 is an apocalyptic number.

It is an amenable number.

312040125 is a deficient number, since it is larger than the sum of its proper divisors (257746755).

312040125 is a wasteful number, since it uses less digits than its factorization.

312040125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611 (or 3598 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 312040125 is about 17664.6575115398. The cubic root of 312040125 is about 678.2713626469.

Adding to 312040125 its reverse (521040213), we get a palindrome (833080338).

The spelling of 312040125 in words is "three hundred twelve million, forty thousand, one hundred twenty-five".