1128064 has 32 divisors (see below), whose sum is σ = 2570400. Its totient is φ = 483072.

The previous prime is 1128037. The next prime is 1128089. The reversal of 1128064 is 4608211.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267 + ... + 1525.

It is an arithmetic number, because the mean of its divisors is an integer number (80325).

2^1128064 is an apocalyptic number.

1128064 is a gapful number since it is divisible by the number (14) 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 1128064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1285200).

1128064 is an abundant number, since it is smaller than the sum of its proper divisors (1442336).

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

1128064 is an equidigital number, since it uses as much as digits as its factorization.

1128064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280 (or 1268 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1128064 is about 1062.1035731039. The cubic root of 1128064 is about 104.0985259599.

The spelling of 1128064 in words is "one million, one hundred twenty-eight thousand, sixty-four".