1224744 has 16 divisors (see below), whose sum is σ = 3061920. Its totient is φ = 408240.

The previous prime is 1224739. The next prime is 1224763. The reversal of 1224744 is 4474221.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 51031 = 1224744 / (1 + 2 + 2 + 4 + 7 + 4 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25492 + ... + 25539.

It is an arithmetic number, because the mean of its divisors is an integer number (191370).

2^1224744 is an apocalyptic number.

It is an amenable number.

1224744 is an abundant number, since it is smaller than the sum of its proper divisors (1837176).

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

1224744 is a wasteful number, since it uses less digits than its factorization.

1224744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51040 (or 51036 counting only the distinct ones).

The product of its digits is 1792, while the sum is 24.

The square root of 1224744 is about 1106.6815260047. The cubic root of 1224744 is about 106.9912940190.

Adding to 1224744 its reverse (4474221), we get a palindrome (5698965).

The spelling of 1224744 in words is "one million, two hundred twenty-four thousand, seven hundred forty-four".