1128906804 has 24 divisors (see below), whose sum is σ = 2651564608. Its totient is φ = 373809600.

The previous prime is 1128906799. The next prime is 1128906827. The reversal of 1128906804 is 4086098211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309697 + ... + 313320.

Almost surely, 2^1128906804 is an apocalyptic number.

It is an amenable number.

1128906804 is an abundant number, since it is smaller than the sum of its proper divisors (1522657804).

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

1128906804 is a wasteful number, since it uses less digits than its factorization.

1128906804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623175 (or 623173 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 1128906804 is about 33599.2083835319. The cubic root of 1128906804 is about 1041.2444435149.

The spelling of 1128906804 in words is "one billion, one hundred twenty-eight million, nine hundred six thousand, eight hundred four".