1128943804 has 12 divisors (see below), whose sum is σ = 1981315000. Its totient is φ = 562853808.

The previous prime is 1128943793. The next prime is 1128943811. The reversal of 1128943804 is 4083498211.

It is a super-2 number, since 2×1128943804² = 2549028225179980832, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 402954 + ... + 405745.

Almost surely, 2^1128943804 is an apocalyptic number.

It is an amenable number.

1128943804 is a deficient number, since it is larger than the sum of its proper divisors (852371196).

1128943804 is a wasteful number, since it uses less digits than its factorization.

1128943804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809052 (or 809050 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 1128943804 is about 33599.7589872308. The cubic root of 1128943804 is about 1041.2558190106.

The spelling of 1128943804 in words is "one billion, one hundred twenty-eight million, nine hundred forty-three thousand, eight hundred four".