1122643003 has 2 divisors, whose sum is σ = 1122643004. Its totient is φ = 1122643002.

The previous prime is 1122642967. The next prime is 1122643007. The reversal of 1122643003 is 3003462211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1122643003 - 2⁹ = 1122642491 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122643007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561321501 + 561321502.

It is an arithmetic number, because the mean of its divisors is an integer number (561321502).

Almost surely, 2^1122643003 is an apocalyptic number.

1122643003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122643003 is an equidigital number, since it uses as much as digits as its factorization.

1122643003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1122643003 is about 33505.8652029760. The cubic root of 1122643003 is about 1039.3150701551.

The spelling of 1122643003 in words is "one billion, one hundred twenty-two million, six hundred forty-three thousand, three".