1224203 has 2 divisors, whose sum is σ = 1224204. Its totient is φ = 1224202.

The previous prime is 1224193. The next prime is 1224217. The reversal of 1224203 is 3024221.

It is an a-pointer prime, because the next prime (1224217) can be obtained adding 1224203 to its sum of digits (14).

It is a weak prime.

It is an emirp because it is prime and its reverse (3024221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1224203 - 2¹⁰ = 1223179 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1224233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612101 + 612102.

It is an arithmetic number, because the mean of its divisors is an integer number (612102).

2^1224203 is an apocalyptic number.

1224203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224203 is an equidigital number, since it uses as much as digits as its factorization.

1224203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1224203 is about 1106.4370745777. The cubic root of 1224203 is about 106.9755381237.

Adding to 1224203 its reverse (3024221), we get a palindrome (4248424).

The spelling of 1224203 in words is "one million, two hundred twenty-four thousand, two hundred three".