12144128 has 20 divisors (see below), whose sum is σ = 24265560. Its totient is φ = 6071808.

The previous prime is 12144113. The next prime is 12144131. The reversal of 12144128 is 82144121.

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11348 + ... + 12371.

It is an arithmetic number, because the mean of its divisors is an integer number (1213278).

Almost surely, 2^12144128 is an apocalyptic number.

It is an amenable number.

12144128 is a deficient number, since it is larger than the sum of its proper divisors (12121432).

12144128 is an frugal number, since it uses more digits than its factorization.

12144128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23737 (or 23721 counting only the distinct ones).

The product of its digits is 512, while the sum is 23.

The square root of 12144128 is about 3484.8426076367. The cubic root of 12144128 is about 229.8557886145.

Adding to 12144128 its reverse (82144121), we get a palindrome (94288249).

The spelling of 12144128 in words is "twelve million, one hundred forty-four thousand, one hundred twenty-eight".