1123222003 has 2 divisors, whose sum is σ = 1123222004. Its totient is φ = 1123222002.

The previous prime is 1123221991. The next prime is 1123222013. The reversal of 1123222003 is 3002223211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123222003 - 2⁵ = 1123221971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123222013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561611001 + 561611002.

It is an arithmetic number, because the mean of its divisors is an integer number (561611002).

Almost surely, 2^1123222003 is an apocalyptic number.

1123222003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123222003 is an equidigital number, since it uses as much as digits as its factorization.

1123222003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1123222003 is about 33514.5043675123. The cubic root of 1123222003 is about 1039.4937140638.

Adding to 1123222003 its reverse (3002223211), we get a palindrome (4125445214).

The spelling of 1123222003 in words is "one billion, one hundred twenty-three million, two hundred twenty-two thousand, three".