315124 has 6 divisors (see below), whose sum is σ = 551474. Its totient is φ = 157560.

The previous prime is 315109. The next prime is 315127. The reversal of 315124 is 421513.

It can be written as a sum of positive squares in only one way, i.e., 219024 + 96100 = 468^2 + 310^2 .

It is a super-4 number, since 4×315124⁴ (a number of 23 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 315098 and 315107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315127) 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 as a sum of consecutive naturals, namely, 39387 + ... + 39394.

2³¹⁵¹²⁴ is an apocalyptic number.

It is an amenable number.

315124 is a deficient number, since it is larger than the sum of its proper divisors (236350).

315124 is a wasteful number, since it uses less digits than its factorization.

315124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78785 (or 78783 counting only the distinct ones).

The product of its digits is 120, while the sum is 16.

The square root of 315124 is about 561.3590651268. The cubic root of 315124 is about 68.0498481091.

Adding to 315124 its reverse (421513), we get a palindrome (736637).

It can be divided in two parts, 315 and 124, that multiplied together give a triangular number (39060 = T₂₇₉).

The spelling of 315124 in words is "three hundred fifteen thousand, one hundred twenty-four".