1224028 has 12 divisors (see below), whose sum is σ = 2306920. Its totient is φ = 564912.

The previous prime is 1223993. The next prime is 1224029. The reversal of 1224028 is 8204221.

It is a junction number, because it is equal to n+sod(n) for n = 1223996 and 1224014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224029) 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 3 ways as a sum of consecutive naturals, for example, 11718 + ... + 11821.

2^1224028 is an apocalyptic number.

It is an amenable number.

1224028 is a deficient number, since it is larger than the sum of its proper divisors (1082892).

1224028 is a wasteful number, since it uses less digits than its factorization.

1224028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23556 (or 23554 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1224028 is about 1106.3579890795. The cubic root of 1224028 is about 106.9704404911.

Adding to 1224028 its reverse (8204221), we get a palindrome (9428249).

The spelling of 1224028 in words is "one million, two hundred twenty-four thousand, twenty-eight".