4043128 has 16 divisors (see below), whose sum is σ = 7742880. Its totient is φ = 1978368.

The previous prime is 4043119. The next prime is 4043129. The reversal of 4043128 is 8213404.

It is a junction number, because it is equal to n+sod(n) for n = 4043099 and 4043108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4043129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5001 + ... + 5752.

It is an arithmetic number, because the mean of its divisors is an integer number (483930).

Almost surely, 2^4043128 is an apocalyptic number.

It is an amenable number.

4043128 is a deficient number, since it is larger than the sum of its proper divisors (3699752).

4043128 is a wasteful number, since it uses less digits than its factorization.

4043128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10806 (or 10802 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 4043128 is about 2010.7530927491. The cubic root of 4043128 is about 159.3085789094.

The spelling of 4043128 in words is "four million, forty-three thousand, one hundred twenty-eight".