43875128 has 32 divisors (see below), whose sum is σ = 90840960. Its totient is φ = 19699680.

The previous prime is 43875103. The next prime is 43875133. The reversal of 43875128 is 82157834.

It is a junction number, because it is equal to n+sod(n) for n = 43875091 and 43875100.

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, 4301 + ... + 10307.

It is an arithmetic number, because the mean of its divisors is an integer number (2838780).

Almost surely, 2^43875128 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 43875128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45420480).

43875128 is an abundant number, since it is smaller than the sum of its proper divisors (46965832).

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

43875128 is a wasteful number, since it uses less digits than its factorization.

43875128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6107 (or 6103 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 43875128 is about 6623.8303118362. The cubic root of 43875128 is about 352.7005461445.

The spelling of 43875128 in words is "forty-three million, eight hundred seventy-five thousand, one hundred twenty-eight".