1224542303 has 2 divisors, whose sum is σ = 1224542304. Its totient is φ = 1224542302.

The previous prime is 1224542273. The next prime is 1224542309. The reversal of 1224542303 is 3032454221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1224542303 - 2⁶ = 1224542239 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224542309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612271151 + 612271152.

It is an arithmetic number, because the mean of its divisors is an integer number (612271152).

Almost surely, 2^1224542303 is an apocalyptic number.

1224542303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224542303 is an equidigital number, since it uses as much as digits as its factorization.

1224542303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 1224542303 is about 34993.4608605665. The cubic root of 1224542303 is about 1069.8542040848.

Adding to 1224542303 its reverse (3032454221), we get a palindrome (4256996524).

The spelling of 1224542303 in words is "one billion, two hundred twenty-four million, five hundred forty-two thousand, three hundred three".