1109114784 has 144 divisors (see below), whose sum is σ = 3227908320. Its totient is φ = 361152000.

The previous prime is 1109114767. The next prime is 1109114803. The reversal of 1109114784 is 4874119011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4418659 + ... + 4418909.

It is an arithmetic number, because the mean of its divisors is an integer number (22416030).

Almost surely, 2^1109114784 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 1109114784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1613954160).

1109114784 is an abundant number, since it is smaller than the sum of its proper divisors (2118793536).

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

1109114784 is a wasteful number, since it uses less digits than its factorization.

1109114784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 1109114784 is about 33303.3749641084. The cubic root of 1109114784 is about 1035.1234915312.

The spelling of 1109114784 in words is "one billion, one hundred nine million, one hundred fourteen thousand, seven hundred eighty-four".