1128579804 has 60 divisors (see below), whose sum is σ = 3218552568. Its totient is φ = 341992800.

The previous prime is 1128579779. The next prime is 1128579811. The reversal of 1128579804 is 4089758211.

It is a self number, because there is not a number n which added to its sum of digits gives 1128579804.

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 154767 + ... + 161894.

Almost surely, 2^1128579804 is an apocalyptic number.

It is an amenable number.

1128579804 is an abundant number, since it is smaller than the sum of its proper divisors (2089972764).

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

1128579804 is a wasteful number, since it uses less digits than its factorization.

1128579804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316688 (or 316677 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 1128579804 is about 33594.3418450191. The cubic root of 1128579804 is about 1041.1438979215.

The spelling of 1128579804 in words is "one billion, one hundred twenty-eight million, five hundred seventy-nine thousand, eight hundred four".