1122132321 has 24 divisors (see below), whose sum is σ = 1676886120. Its totient is φ = 722592000.

The previous prime is 1122132299. The next prime is 1122132329. The reversal of 1122132321 is 1232312211.

It can be written as a sum of positive squares in 4 ways, for example, as 117939600 + 1004192721 = 10860^2 + 31689^2 .

It is not a de Polignac number, because 1122132321 - 2²⁶ = 1055023457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122132294 and 1122132303.

It is not an unprimeable number, because it can be changed into a prime (1122132329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22215 + ... + 52323.

It is an arithmetic number, because the mean of its divisors is an integer number (69870255).

Almost surely, 2^1122132321 is an apocalyptic number.

It is an amenable number.

1122132321 is a deficient number, since it is larger than the sum of its proper divisors (554753799).

1122132321 is a wasteful number, since it uses less digits than its factorization.

1122132321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30257 (or 30254 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1122132321 is about 33498.2435509685. The cubic root of 1122132321 is about 1039.1574540067.

Adding to 1122132321 its reverse (1232312211), we get a palindrome (2354444532).

The spelling of 1122132321 in words is "one billion, one hundred twenty-two million, one hundred thirty-two thousand, three hundred twenty-one".