1224065 has 4 divisors (see below), whose sum is σ = 1468884. Its totient is φ = 979248.

The previous prime is 1224059. The next prime is 1224077. The reversal of 1224065 is 5604221.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 891136 + 332929 = 944^2 + 577^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224065 - 2¹⁴ = 1207681 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122402 + ... + 122411.

It is an arithmetic number, because the mean of its divisors is an integer number (367221).

2^1224065 is an apocalyptic number.

It is an amenable number.

1224065 is a deficient number, since it is larger than the sum of its proper divisors (244819).

1224065 is an equidigital number, since it uses as much as digits as its factorization.

1224065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244818.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1224065 is about 1106.3747104847. The cubic root of 1224065 is about 106.9715183168.

Adding to 1224065 its reverse (5604221), we get a palindrome (6828286).

The spelling of 1224065 in words is "one million, two hundred twenty-four thousand, sixty-five".