4521128 has 16 divisors (see below), whose sum is σ = 8501760. Its totient is φ = 2254000.

The previous prime is 4521113. The next prime is 4521151. The reversal of 4521128 is 8211254.

4521128 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3353 + ... + 4503.

It is an arithmetic number, because the mean of its divisors is an integer number (531360).

Almost surely, 2^4521128 is an apocalyptic number.

It is an amenable number.

4521128 is a deficient number, since it is larger than the sum of its proper divisors (3980632).

4521128 is a wasteful number, since it uses less digits than its factorization.

4521128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648 (or 1644 counting only the distinct ones).

The product of its digits is 640, while the sum is 23.

The square root of 4521128 is about 2126.2944292830. The cubic root of 4521128 is about 165.3543410408.

The spelling of 4521128 in words is "four million, five hundred twenty-one thousand, one hundred twenty-eight".