1224315 has 20 divisors (see below), whose sum is σ = 2195424. Its totient is φ = 652752.

The previous prime is 1224299. The next prime is 1224329. The reversal of 1224315 is 5134221.

It is not a de Polignac number, because 1224315 - 2⁴ = 1224299 is a prime.

It is an Ulam number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 1107 + ... + 1916.

2^1224315 is an apocalyptic number.

1224315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1224315 is a deficient number, since it is larger than the sum of its proper divisors (971109).

1224315 is an equidigital number, since it uses as much as digits as its factorization.

1224315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040 (or 3031 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 1224315 is about 1106.4876863300. The cubic root of 1224315 is about 106.9788003536.

Adding to 1224315 its reverse (5134221), we get a palindrome (6358536).

The spelling of 1224315 in words is "one million, two hundred twenty-four thousand, three hundred fifteen".