1121323132 has 12 divisors (see below), whose sum is σ = 1977767680. Its totient is φ = 556246656.

The previous prime is 1121323127. The next prime is 1121323139. The reversal of 1121323132 is 2313231211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121323139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1103157 + ... + 1104172.

Almost surely, 2^1121323132 is an apocalyptic number.

It is an amenable number.

1121323132 is a deficient number, since it is larger than the sum of its proper divisors (856444548).

1121323132 is a wasteful number, since it uses less digits than its factorization.

1121323132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207460 (or 2207458 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 1121323132 is about 33486.1632917239. The cubic root of 1121323132 is about 1038.9076091445.

Adding to 1121323132 its reverse (2313231211), we get a palindrome (3434554343).

The spelling of 1121323132 in words is "one billion, one hundred twenty-one million, three hundred twenty-three thousand, one hundred thirty-two".