1128384000 has 320 divisors, whose sum is σ = 4174822080. Its totient is φ = 300441600.

The previous prime is 1128383981. The next prime is 1128384053. The reversal of 1128384000 is 4838211.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1727674 + ... + 1728326.

It is an arithmetic number, because the mean of its divisors is an integer number (13046319).

Almost surely, 2^1128384000 is an apocalyptic number.

1128384000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1128384000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2087411040).

1128384000 is an abundant number, since it is smaller than the sum of its proper divisors (3046438080).

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

1128384000 is an frugal number, since it uses more digits than its factorization.

1128384000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 663 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 1128384000 is about 33591.4274778551. The cubic root of 1128384000 is about 1041.0836830302.

The spelling of 1128384000 in words is "one billion, one hundred twenty-eight million, three hundred eighty-four thousand".