1121444032 has 28 divisors (see below), whose sum is σ = 2356271640. Its totient is φ = 527737856.

The previous prime is 1121444021. The next prime is 1121444041. The reversal of 1121444032 is 2304441211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1121443994 and 1121444012.

It is an unprimeable number.

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, 514282 + ... + 516457.

Almost surely, 2^1121444032 is an apocalyptic number.

It is an amenable number.

1121444032 is an abundant number, since it is smaller than the sum of its proper divisors (1234827608).

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

1121444032 is a wasteful number, since it uses less digits than its factorization.

1121444032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030768 (or 1030758 counting only the distinct ones).

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

The square root of 1121444032 is about 33487.9684663014. The cubic root of 1121444032 is about 1038.9449458148.

Adding to 1121444032 its reverse (2304441211), we get a palindrome (3425885243).

The spelling of 1121444032 in words is "one billion, one hundred twenty-one million, four hundred forty-four thousand, thirty-two".