1324321121 has 2 divisors, whose sum is σ = 1324321122. Its totient is φ = 1324321120.

The previous prime is 1324321111. The next prime is 1324321153. The reversal of 1324321121 is 1211234231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1190595025 + 133726096 = 34505^2 + 11564^2 .

It is a cyclic number.

It is not a de Polignac number, because 1324321121 - 2¹⁰ = 1324320097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1324321093 and 1324321102.

It is not a weakly prime, because it can be changed into another prime (1324321111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662160560 + 662160561.

It is an arithmetic number, because the mean of its divisors is an integer number (662160561).

Almost surely, 2^1324321121 is an apocalyptic number.

It is an amenable number.

1324321121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1324321121 is an equidigital number, since it uses as much as digits as its factorization.

1324321121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 20.

The square root of 1324321121 is about 36391.2231314090. The cubic root of 1324321121 is about 1098.1570022992.

Adding to 1324321121 its reverse (1211234231), we get a palindrome (2535555352).

The spelling of 1324321121 in words is "one billion, three hundred twenty-four million, three hundred twenty-one thousand, one hundred twenty-one".