261124 has 12 divisors (see below), whose sum is σ = 462364. Its totient is φ = 129024.

The previous prime is 261101. The next prime is 261127. The reversal of 261124 is 421162.

261124 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 101124 + 160000 = 318^2 + 400^2 .

It is a junction number, because it is equal to n+sod(n) for n = 261098 and 261107.

It is not an unprimeable number, because it can be changed into a prime (261127) 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, 52 + ... + 724.

2²⁶¹¹²⁴ is an apocalyptic number.

It is an amenable number.

261124 is a deficient number, since it is larger than the sum of its proper divisors (201240).

261124 is a wasteful number, since it uses less digits than its factorization.

261124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774 (or 772 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 261124 is about 511.0029354123. The cubic root of 261124 is about 63.9168842933.

Adding to 261124 its reverse (421162), we get a palindrome (682286).

The spelling of 261124 in words is "two hundred sixty-one thousand, one hundred twenty-four".