1224367 has 4 divisors (see below), whose sum is σ = 1257496. Its totient is φ = 1191240.

The previous prime is 1224347. The next prime is 1224389. The reversal of 1224367 is 7634221.

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 1224367 - 2⁷ = 1224239 is a prime.

It is a d-powerful number, because it can be written as 1 + 2¹³ + 2¹⁷ + 4¹⁰ + 3⁹ + 6² + 7⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16509 + ... + 16582.

It is an arithmetic number, because the mean of its divisors is an integer number (314374).

2^1224367 is an apocalyptic number.

1224367 is a deficient number, since it is larger than the sum of its proper divisors (33129).

1224367 is an equidigital number, since it uses as much as digits as its factorization.

1224367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33128.

The product of its digits is 2016, while the sum is 25.

The square root of 1224367 is about 1106.5111838567. The cubic root of 1224367 is about 106.9803148927.

Adding to 1224367 its reverse (7634221), we get a palindrome (8858588).

It can be divided in two parts, 122 and 4367, that added together give a square (4489 = 67²).

The spelling of 1224367 in words is "one million, two hundred twenty-four thousand, three hundred sixty-seven".