1121323332 has 96 divisors (see below), whose sum is σ = 2899919232. Its totient is φ = 335702016.

The previous prime is 1121323331. The next prime is 1121323339. The reversal of 1121323332 is 2333231211.

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

It is a junction number, because it is equal to n+sod(n) for n = 1121323299 and 1121323308.

It is not an unprimeable number, because it can be changed into a prime (1121323331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 398643 + ... + 401445.

It is an arithmetic number, because the mean of its divisors is an integer number (30207492).

Almost surely, 2^1121323332 is an apocalyptic number.

1121323332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121323332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1449959616).

1121323332 is an abundant number, since it is smaller than the sum of its proper divisors (1778595900).

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

1121323332 is a wasteful number, since it uses less digits than its factorization.

1121323332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2917 (or 2915 counting only the distinct ones).

The product of its digits is 648, while the sum is 21.

The square root of 1121323332 is about 33486.1662780319. The cubic root of 1121323332 is about 1038.9076709113.

Adding to 1121323332 its reverse (2333231211), we get a palindrome (3454554543).

The spelling of 1121323332 in words is "one billion, one hundred twenty-one million, three hundred twenty-three thousand, three hundred thirty-two".