1224533 has 2 divisors, whose sum is σ = 1224534. Its totient is φ = 1224532.

The previous prime is 1224529. The next prime is 1224577. The reversal of 1224533 is 3354221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 935089 + 289444 = 967^2 + 538^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224533 - 2² = 1224529 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612266 + 612267.

It is an arithmetic number, because the mean of its divisors is an integer number (612267).

2^1224533 is an apocalyptic number.

It is an amenable number.

1224533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224533 is an equidigital number, since it uses as much as digits as its factorization.

1224533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 20.

The square root of 1224533 is about 1106.5861918531. The cubic root of 1224533 is about 106.9851494806.

Adding to 1224533 its reverse (3354221), we get a palindrome (4578754).

The spelling of 1224533 in words is "one million, two hundred twenty-four thousand, five hundred thirty-three".