2121184 has 24 divisors (see below), whose sum is σ = 4498200. Its totient is φ = 978816.

The previous prime is 2121181. The next prime is 2121187. The reversal of 2121184 is 4811212.

It is a happy number.

2121184 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2121181) and next prime (2121187).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121181) 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, 2134 + ... + 2965.

It is an arithmetic number, because the mean of its divisors is an integer number (187425).

2^2121184 is an apocalyptic number.

It is an amenable number.

2121184 is an abundant number, since it is smaller than the sum of its proper divisors (2377016).

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

2121184 is a wasteful number, since it uses less digits than its factorization.

2121184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5122 (or 5114 counting only the distinct ones).

The product of its digits is 128, while the sum is 19.

The square root of 2121184 is about 1456.4285083725. The cubic root of 2121184 is about 128.4870764759.

Adding to 2121184 its reverse (4811212), we get a palindrome (6932396).

The spelling of 2121184 in words is "two million, one hundred twenty-one thousand, one hundred eighty-four".