1128808000 has 56 divisors (see below), whose sum is σ = 2795512824. Its totient is φ = 451520000.

The previous prime is 1128807997. The next prime is 1128808039. The reversal of 1128808000 is 8088211.

It can be written as a sum of positive squares in 4 ways, for example, as 8433216 + 1120374784 = 2904^2 + 33472^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1128808000.

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, 62551 + ... + 78550.

Almost surely, 2^1128808000 is an apocalyptic number.

1128808000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1128808000 is an abundant number, since it is smaller than the sum of its proper divisors (1666704824).

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

1128808000 is an equidigital number, since it uses as much as digits as its factorization.

1128808000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141128 (or 141108 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 28.

The square root of 1128808000 is about 33597.7380190988. The cubic root of 1128808000 is about 1041.2140654190.

The spelling of 1128808000 in words is "one billion, one hundred twenty-eight million, eight hundred eight thousand".