1132021321 has 2 divisors, whose sum is σ = 1132021322. Its totient is φ = 1132021320.

The previous prime is 1132021307. The next prime is 1132021343. The reversal of 1132021321 is 1231202311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 983449600 + 148571721 = 31360^2 + 12189^2 .

It is an emirp because it is prime and its reverse (1231202311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1132021321 - 2¹⁵ = 1131988553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1132021295 and 1132021304.

It is not a weakly prime, because it can be changed into another prime (1132021361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566010660 + 566010661.

It is an arithmetic number, because the mean of its divisors is an integer number (566010661).

Almost surely, 2^1132021321 is an apocalyptic number.

It is an amenable number.

1132021321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1132021321 is an equidigital number, since it uses as much as digits as its factorization.

1132021321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1132021321 is about 33645.5245315034. The cubic root of 1132021321 is about 1042.2011199940.

Adding to 1132021321 its reverse (1231202311), we get a palindrome (2363223632).

The spelling of 1132021321 in words is "one billion, one hundred thirty-two million, twenty-one thousand, three hundred twenty-one".