561124 has 6 divisors (see below), whose sum is σ = 981974. Its totient is φ = 280560.

The previous prime is 561109. The next prime is 561161. The reversal of 561124 is 421165.

561124 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 only one way, i.e., 532900 + 28224 = 730^2 + 168^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70137 + ... + 70144.

2⁵⁶¹¹²⁴ is an apocalyptic number.

It is an amenable number.

561124 is a deficient number, since it is larger than the sum of its proper divisors (420850).

561124 is a wasteful number, since it uses less digits than its factorization.

561124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140285 (or 140283 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 561124 is about 749.0821049792. The cubic root of 561124 is about 82.4808158638.

Adding to 561124 its reverse (421165), we get a palindrome (982289).

The spelling of 561124 in words is "five hundred sixty-one thousand, one hundred twenty-four".