1224467 has 4 divisors (see below), whose sum is σ = 1266720. Its totient is φ = 1182216.

The previous prime is 1224439. The next prime is 1224473. The reversal of 1224467 is 7644221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1224467 - 2⁶ = 1224403 is a prime.

It is an Ulam number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1224437) 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, 21083 + ... + 21140.

It is an arithmetic number, because the mean of its divisors is an integer number (316680).

2^1224467 is an apocalyptic number.

1224467 is a deficient number, since it is larger than the sum of its proper divisors (42253).

1224467 is an equidigital number, since it uses as much as digits as its factorization.

1224467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42252.

The product of its digits is 2688, while the sum is 26.

The square root of 1224467 is about 1106.5563700056. The cubic root of 1224467 is about 106.9832273474.

Adding to 1224467 its reverse (7644221), we get a palindrome (8868688).

The spelling of 1224467 in words is "one million, two hundred twenty-four thousand, four hundred sixty-seven".