4128504 has 16 divisors (see below), whose sum is σ = 10321320. Its totient is φ = 1376160.

The previous prime is 4128493. The next prime is 4128511. The reversal of 4128504 is 4058214.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 172021 = 4128504 / (4 + 1 + 2 + 8 + 5 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85987 + ... + 86034.

Almost surely, 2^4128504 is an apocalyptic number.

It is an amenable number.

4128504 is an abundant number, since it is smaller than the sum of its proper divisors (6192816).

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

4128504 is a wasteful number, since it uses less digits than its factorization.

4128504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172030 (or 172026 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 4128504 is about 2031.8720432153. The cubic root of 4128504 is about 160.4221145580.

The spelling of 4128504 in words is "four million, one hundred twenty-eight thousand, five hundred four".