2121324 has 12 divisors (see below), whose sum is σ = 4949784. Its totient is φ = 707104.

The previous prime is 2121323. The next prime is 2121337. The reversal of 2121324 is 4231212.

It is a tau number, because it is divible by the number of its divisors (12).

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

It is not an unprimeable number, because it can be changed into a prime (2121323) 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, 88377 + ... + 88400.

It is an arithmetic number, because the mean of its divisors is an integer number (412482).

2^2121324 is an apocalyptic number.

It is an amenable number.

2121324 is an abundant number, since it is smaller than the sum of its proper divisors (2828460).

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

2121324 is a wasteful number, since it uses less digits than its factorization.

2121324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176784 (or 176782 counting only the distinct ones).

The product of its digits is 96, while the sum is 15.

The square root of 2121324 is about 1456.4765703574. The cubic root of 2121324 is about 128.4899031669.

Adding to 2121324 its reverse (4231212), we get a palindrome (6352536).

The spelling of 2121324 in words is "two million, one hundred twenty-one thousand, three hundred twenty-four".