1050728 has 32 divisors (see below), whose sum is σ = 2332800. Its totient is φ = 434112.

The previous prime is 1050727. The next prime is 1050733. The reversal of 1050728 is 8270501.

It is a super-2 number, since 2×1050728² = 2208058659968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1050727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1301 + ... + 1947.

It is an arithmetic number, because the mean of its divisors is an integer number (72900).

2^1050728 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 1050728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1166400).

1050728 is an abundant number, since it is smaller than the sum of its proper divisors (1282072).

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

1050728 is a wasteful number, since it uses less digits than its factorization.

1050728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 685 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 1050728 is about 1025.0502426711. The cubic root of 1050728 is about 101.6631203039.

The spelling of 1050728 in words is "one million, fifty thousand, seven hundred twenty-eight".