1121344424 has 32 divisors (see below), whose sum is σ = 2199657600. Its totient is φ = 535351680.

The previous prime is 1121344423. The next prime is 1121344447. The reversal of 1121344424 is 4244431211.

It is a junction number, because it is equal to n+sod(n) for n = 1121344393 and 1121344402.

It is not an unprimeable number, because it can be changed into a prime (1121344423) 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, 20954 + ... + 51785.

It is an arithmetic number, because the mean of its divisors is an integer number (68739300).

Almost surely, 2^1121344424 is an apocalyptic number.

It is an amenable number.

1121344424 is a deficient number, since it is larger than the sum of its proper divisors (1078313176).

1121344424 is a wasteful number, since it uses less digits than its factorization.

1121344424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72833 (or 72829 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 1121344424 is about 33486.4812125729. The cubic root of 1121344424 is about 1038.9141847932.

Adding to 1121344424 its reverse (4244431211), we get a palindrome (5365775635).

The spelling of 1121344424 in words is "one billion, one hundred twenty-one million, three hundred forty-four thousand, four hundred twenty-four".