1123022003 has 2 divisors, whose sum is σ = 1123022004. Its totient is φ = 1123022002.

The previous prime is 1123021967. The next prime is 1123022063. The reversal of 1123022003 is 3002203211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123022003 - 2¹⁶ = 1122956467 is a prime.

It is a super-2 number, since 2×1123022003² = 2522356838444264018, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1123022063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561511001 + 561511002.

It is an arithmetic number, because the mean of its divisors is an integer number (561511002).

Almost surely, 2^1123022003 is an apocalyptic number.

1123022003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123022003 is an equidigital number, since it uses as much as digits as its factorization.

1123022003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1123022003 is about 33511.5204519282. The cubic root of 1123022003 is about 1039.4320132653.

Adding to 1123022003 its reverse (3002203211), we get a palindrome (4125225214).

It can be divided in two parts, 11230 and 22003, that added together give a palindrome (33233).

The spelling of 1123022003 in words is "one billion, one hundred twenty-three million, twenty-two thousand, three".