1121332122 has 48 divisors (see below), whose sum is σ = 2481209640. Its totient is φ = 365907456.

The previous prime is 1121332117. The next prime is 1121332129. The reversal of 1121332122 is 2212331211.

It can be written as a sum of positive squares in 4 ways, for example, as 1015633161 + 105698961 = 31869^2 + 10281^2 .

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

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 = 1121332095 and 1121332104.

It is not an unprimeable number, because it can be changed into a prime (1121332129) 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, 176904 + ... + 183132.

Almost surely, 2^1121332122 is an apocalyptic number.

1121332122 is an abundant number, since it is smaller than the sum of its proper divisors (1359877518).

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

1121332122 is a wasteful number, since it uses less digits than its factorization.

1121332122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6447 (or 6444 counting only the distinct ones).

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

The square root of 1121332122 is about 33486.2975260031. The cubic root of 1121332122 is about 1038.9103855534.

Adding to 1121332122 its reverse (2212331211), we get a palindrome (3333663333).

The spelling of 1121332122 in words is "one billion, one hundred twenty-one million, three hundred thirty-two thousand, one hundred twenty-two".