8745128 has 32 divisors (see below), whose sum is σ = 19128000. Its totient is φ = 3746736.

The previous prime is 8745119. The next prime is 8745133. The reversal of 8745128 is 8215478.

8745128 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1151 + ... + 4337.

It is an arithmetic number, because the mean of its divisors is an integer number (597750).

Almost surely, 2^8745128 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 8745128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9564000).

8745128 is an abundant number, since it is smaller than the sum of its proper divisors (10382872).

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

8745128 is a wasteful number, since it uses less digits than its factorization.

8745128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3214 (or 3196 counting only the distinct ones).

The product of its digits is 17920, while the sum is 35.

The square root of 8745128 is about 2957.2162585783. The cubic root of 8745128 is about 206.0260123623.

The spelling of 8745128 in words is "eight million, seven hundred forty-five thousand, one hundred twenty-eight".