4489123 has 4 divisors (see below), whose sum is σ = 4500208. Its totient is φ = 4478040.

The previous prime is 4489109. The next prime is 4489129. The reversal of 4489123 is 3219844.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4489123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4489129) 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, 4911 + ... + 5752.

It is an arithmetic number, because the mean of its divisors is an integer number (1125052).

Almost surely, 2^4489123 is an apocalyptic number.

4489123 is a deficient number, since it is larger than the sum of its proper divisors (11085).

4489123 is a wasteful number, since it uses less digits than its factorization.

4489123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11084.

The product of its digits is 6912, while the sum is 31.

The square root of 4489123 is about 2118.7550589910. The cubic root of 4489123 is about 164.9632363762.

The spelling of 4489123 in words is "four million, four hundred eighty-nine thousand, one hundred twenty-three".