1121224204 has 12 divisors (see below), whose sum is σ = 1963105200. Its totient is φ = 560337008.

The previous prime is 1121224189. The next prime is 1121224207. The reversal of 1121224204 is 4024221211.

It is not an unprimeable number, because it can be changed into a prime (1121224207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59464 + ... + 76015.

It is an arithmetic number, because the mean of its divisors is an integer number (163592100).

Almost surely, 2^1121224204 is an apocalyptic number.

It is an amenable number.

1121224204 is a deficient number, since it is larger than the sum of its proper divisors (841880996).

1121224204 is a wasteful number, since it uses less digits than its factorization.

1121224204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137552 (or 137550 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1121224204 is about 33484.6861117138. The cubic root of 1121224204 is about 1038.8770559312.

Adding to 1121224204 its reverse (4024221211), we get a palindrome (5145445415).

The spelling of 1121224204 in words is "one billion, one hundred twenty-one million, two hundred twenty-four thousand, two hundred four".