249124 has 12 divisors (see below), whose sum is σ = 443548. Its totient is φ = 122400.

The previous prime is 249107. The next prime is 249127. The reversal of 249124 is 421942.

249124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 62500 + 186624 = 250^2 + 432^2 .

It is a junction number, because it is equal to n+sod(n) for n = 249095 and 249104.

It is not an unprimeable number, because it can be changed into a prime (249127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267 + ... + 754.

2²⁴⁹¹²⁴ is an apocalyptic number.

It is an amenable number.

249124 is a deficient number, since it is larger than the sum of its proper divisors (194424).

249124 is a wasteful number, since it uses less digits than its factorization.

249124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086 (or 1084 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 249124 is about 499.1232312766. The cubic root of 249124 is about 62.9223869970.

It can be divided in two parts, 249 and 124, that multiplied together give a triangular number (30876 = T₂₄₈).

The spelling of 249124 in words is "two hundred forty-nine thousand, one hundred twenty-four".