1121022324 has 72 divisors (see below), whose sum is σ = 2881948160. Its totient is φ = 367353792.

The previous prime is 1121022281. The next prime is 1121022389. The reversal of 1121022324 is 4232201211.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1121022297 and 1121022306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 787077 + ... + 788499.

Almost surely, 2^1121022324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121022324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1440974080).

1121022324 is an abundant number, since it is smaller than the sum of its proper divisors (1760925836).

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

1121022324 is a wasteful number, since it uses less digits than its factorization.

1121022324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789 (or 1784 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1121022324 is about 33481.6714636531. The cubic root of 1121022324 is about 1038.8147011443.

Adding to 1121022324 its reverse (4232201211), we get a palindrome (5353223535).

The spelling of 1121022324 in words is "one billion, one hundred twenty-one million, twenty-two thousand, three hundred twenty-four".