1065728 has 36 divisors (see below), whose sum is σ = 2232048. Its totient is φ = 506880.

The previous prime is 1065709. The next prime is 1065733. The reversal of 1065728 is 8275601.

It is a super-2 number, since 2×1065728² = 2271552339968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1065728.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5798 + ... + 5978.

2^1065728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1065728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1116024).

1065728 is an abundant number, since it is smaller than the sum of its proper divisors (1166320).

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

1065728 is an equidigital number, since it uses as much as digits as its factorization.

1065728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1065728 is about 1032.3410289241. The cubic root of 1065728 is about 102.1446109766.

The spelling of 1065728 in words is "one million, sixty-five thousand, seven hundred twenty-eight".