1121320332 has 36 divisors (see below), whose sum is σ = 3092126856. Its totient is φ = 339793920.

The previous prime is 1121320297. The next prime is 1121320337. The reversal of 1121320332 is 2330231211.

1121320332 is a `hidden beast` number, since 1 + 12 + 1 + 320 + 332 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1121320337) 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 in 11 ways as a sum of consecutive naturals, for example, 1415413 + ... + 1416204.

Almost surely, 2^1121320332 is an apocalyptic number.

1121320332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121320332 is an abundant number, since it is smaller than the sum of its proper divisors (1970806524).

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

1121320332 is a wasteful number, since it uses less digits than its factorization.

1121320332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831638 (or 2831633 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1121320332 is about 33486.1214833847. The cubic root of 1121320332 is about 1038.9067444090.

Adding to 1121320332 its reverse (2330231211), we get a palindrome (3451551543).

The spelling of 1121320332 in words is "one billion, one hundred twenty-one million, three hundred twenty thousand, three hundred thirty-two".