1121344412 has 12 divisors (see below), whose sum is σ = 2077785360. Its totient is φ = 527691456.

The previous prime is 1121344409. The next prime is 1121344423. The reversal of 1121344412 is 2144431211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8245112 + ... + 8245247.

It is an arithmetic number, because the mean of its divisors is an integer number (173148780).

Almost surely, 2^1121344412 is an apocalyptic number.

It is an amenable number.

1121344412 is a deficient number, since it is larger than the sum of its proper divisors (956440948).

1121344412 is a wasteful number, since it uses less digits than its factorization.

1121344412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16490380 (or 16490378 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 1121344412 is about 33486.4810333961. The cubic root of 1121344412 is about 1038.9141810872.

Adding to 1121344412 its reverse (2144431211), we get a palindrome (3265775623).

The spelling of 1121344412 in words is "one billion, one hundred twenty-one million, three hundred forty-four thousand, four hundred twelve".