1121043244 has 12 divisors (see below), whose sum is σ = 2065079800. Its totient is φ = 531020448.

The previous prime is 1121043241. The next prime is 1121043251. The reversal of 1121043244 is 4423401211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1121043241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7375209 + ... + 7375360.

Almost surely, 2^1121043244 is an apocalyptic number.

It is an amenable number.

1121043244 is a deficient number, since it is larger than the sum of its proper divisors (944036556).

1121043244 is a wasteful number, since it uses less digits than its factorization.

1121043244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14750592 (or 14750590 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1121043244 is about 33481.9838719273. The cubic root of 1121043244 is about 1038.8211630639.

Adding to 1121043244 its reverse (4423401211), we get a palindrome (5544444455).

The spelling of 1121043244 in words is "one billion, one hundred twenty-one million, forty-three thousand, two hundred forty-four".