324643121 has 12 divisors (see below), whose sum is σ = 358096116. Its totient is φ = 294090720.

The previous prime is 324643117. The next prime is 324643127. The reversal of 324643121 is 121346423.

It can be written as a sum of positive squares in 2 ways, for example, as 184552225 + 140090896 = 13585^2 + 11836^2 .

It is not a de Polignac number, because 324643121 - 2² = 324643117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (324643127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30875 + ... + 40031.

It is an arithmetic number, because the mean of its divisors is an integer number (29841343).

Almost surely, 2^324643121 is an apocalyptic number.

It is an amenable number.

324643121 is a deficient number, since it is larger than the sum of its proper divisors (33452995).

324643121 is a wasteful number, since it uses less digits than its factorization.

324643121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9472 (or 9461 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 324643121 is about 18017.8556160271. The cubic root of 324643121 is about 687.2826833141.

Adding to 324643121 its reverse (121346423), we get a palindrome (445989544).

The spelling of 324643121 in words is "three hundred twenty-four million, six hundred forty-three thousand, one hundred twenty-one".