161124 has 24 divisors (see below), whose sum is σ = 389760. Its totient is φ = 51744.

The previous prime is 161123. The next prime is 161137. The reversal of 161124 is 421161.

161124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (161123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117 + ... + 579.

It is an arithmetic number, because the mean of its divisors is an integer number (16240).

2¹⁶¹¹²⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194880).

161124 is an abundant number, since it is smaller than the sum of its proper divisors (228636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161124 is a wasteful number, since it uses less digits than its factorization.

161124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499 (or 497 counting only the distinct ones).

The product of its digits is 48, while the sum is 15.

The square root of 161124 is about 401.4025410981. The cubic root of 161124 is about 54.4151810284.

Adding to 161124 its reverse (421161), we get a palindrome (582285).

The spelling of 161124 in words is "one hundred sixty-one thousand, one hundred twenty-four".