1224424128 has 56 divisors (see below), whose sum is σ = 3327198832. Its totient is φ = 397108224.

The previous prime is 1224424013. The next prime is 1224424207. The reversal of 1224424128 is 8214244221.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1224424095 and 1224424104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79075 + ... + 93282.

Almost surely, 2^1224424128 is an apocalyptic number.

It is an amenable number.

1224424128 is an abundant number, since it is smaller than the sum of its proper divisors (2102774704).

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

1224424128 is a wasteful number, since it uses less digits than its factorization.

1224424128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172409 (or 172399 counting only the distinct ones).

The product of its digits is 8192, while the sum is 30.

The square root of 1224424128 is about 34991.7722900684. The cubic root of 1224424128 is about 1069.8197873922.

Adding to 1224424128 its reverse (8214244221), we get a palindrome (9438668349).

The spelling of 1224424128 in words is "one billion, two hundred twenty-four million, four hundred twenty-four thousand, one hundred twenty-eight".