5281128 has 48 divisors (see below), whose sum is σ = 14660100. Its totient is φ = 1716480.

The previous prime is 5281123. The next prime is 5281139. The reversal of 5281128 is 8211825.

It can be written as a sum of positive squares in 2 ways, for example, as 5280804 + 324 = 2298^2 + 18^2 .

It is not an unprimeable number, because it can be changed into a prime (5281123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2058 + ... + 3846.

Almost surely, 2^5281128 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 5281128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7330050).

5281128 is an abundant number, since it is smaller than the sum of its proper divisors (9378972).

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

5281128 is a wasteful number, since it uses less digits than its factorization.

5281128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842 (or 1835 counting only the distinct ones).

The product of its digits is 1280, while the sum is 27.

The square root of 5281128 is about 2298.0704950023. The cubic root of 5281128 is about 174.1441532321.

The spelling of 5281128 in words is "five million, two hundred eighty-one thousand, one hundred twenty-eight".