1121304224 has 48 divisors (see below), whose sum is σ = 2412861696. Its totient is φ = 510643200.

The previous prime is 1121304179. The next prime is 1121304229. The reversal of 1121304224 is 4224031211.

It is a junction number, because it is equal to n+sod(n) for n = 1121304196 and 1121304205.

It is not an unprimeable number, because it can be changed into a prime (1121304229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16382 + ... + 50109.

It is an arithmetic number, because the mean of its divisors is an integer number (50267952).

Almost surely, 2^1121304224 is an apocalyptic number.

It is an amenable number.

1121304224 is an abundant number, since it is smaller than the sum of its proper divisors (1291557472).

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

1121304224 is a wasteful number, since it uses less digits than its factorization.

1121304224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66549 (or 66541 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1121304224 is about 33485.8809649679. The cubic root of 1121304224 is about 1038.9017696813.

Adding to 1121304224 its reverse (4224031211), we get a palindrome (5345335435).

The spelling of 1121304224 in words is "one billion, one hundred twenty-one million, three hundred four thousand, two hundred twenty-four".