1224168 has 32 divisors (see below), whose sum is σ = 3339360. Its totient is φ = 370880.

The previous prime is 1224163. The next prime is 1224169. The reversal of 1224168 is 8614221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1224163) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2055 + ... + 2582.

It is an arithmetic number, because the mean of its divisors is an integer number (104355).

2^1224168 is an apocalyptic number.

It is an amenable number.

1224168 is an abundant number, since it is smaller than the sum of its proper divisors (2115192).

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

1224168 is a wasteful number, since it uses less digits than its factorization.

1224168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4657 (or 4653 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 1224168 is about 1106.4212579303. The cubic root of 1224168 is about 106.9745186360.

Adding to 1224168 its reverse (8614221), we get a palindrome (9838389).

The spelling of 1224168 in words is "one million, two hundred twenty-four thousand, one hundred sixty-eight".