1120784872 has 16 divisors (see below), whose sum is σ = 2113214400. Its totient is φ = 557261040.

The previous prime is 1120784869. The next prime is 1120784923. The reversal of 1120784872 is 2784870211.

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, 389904 + ... + 392767.

It is an arithmetic number, because the mean of its divisors is an integer number (132075900).

Almost surely, 2^1120784872 is an apocalyptic number.

It is an amenable number.

1120784872 is a deficient number, since it is larger than the sum of its proper divisors (992429528).

1120784872 is a wasteful number, since it uses less digits than its factorization.

1120784872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782856 (or 782852 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 40.

The square root of 1120784872 is about 33478.1252760665. The cubic root of 1120784872 is about 1038.7413496325.

The spelling of 1120784872 in words is "one billion, one hundred twenty million, seven hundred eighty-four thousand, eight hundred seventy-two".