1121123232 has 36 divisors (see below), whose sum is σ = 3188195010. Its totient is φ = 373707648.

The previous prime is 1121123203. The next prime is 1121123243. The reversal of 1121123232 is 2323211211.

It can be written as a sum of positive squares in only one way, i.e., 945931536 + 175191696 = 30756^2 + 13236^2 .

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 a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1946107 + ... + 1946682.

Almost surely, 2^1121123232 is an apocalyptic number.

1121123232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121123232 is an abundant number, since it is smaller than the sum of its proper divisors (2067071778).

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

1121123232 is a wasteful number, since it uses less digits than its factorization.

1121123232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3892805 (or 3892794 counting only the distinct ones).

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

The square root of 1121123232 is about 33483.1783437594. The cubic root of 1121123232 is about 1038.8458695896.

Adding to 1121123232 its reverse (2323211211), we get a palindrome (3444334443).

It can be divided in two parts, 11211 and 23232, that added together give a palindrome (34443).

The spelling of 1121123232 in words is "one billion, one hundred twenty-one million, one hundred twenty-three thousand, two hundred thirty-two".