1143104784 has 80 divisors (see below), whose sum is σ = 3087600000. Its totient is φ = 363737088.

The previous prime is 1143104783. The next prime is 1143104789. The reversal of 1143104784 is 4874013411.

It is not an unprimeable number, because it can be changed into a prime (1143104783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 914592 + ... + 915840.

It is an arithmetic number, because the mean of its divisors is an integer number (38595000).

Almost surely, 2^1143104784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143104784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1543800000).

1143104784 is an abundant number, since it is smaller than the sum of its proper divisors (1944495216).

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

1143104784 is a wasteful number, since it uses less digits than its factorization.

1143104784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112 (or 2106 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 1143104784 is about 33809.8326526471. The cubic root of 1143104784 is about 1045.5914279163.

The spelling of 1143104784 in words is "one billion, one hundred forty-three million, one hundred four thousand, seven hundred eighty-four".