1109140303 has 2 divisors, whose sum is σ = 1109140304. Its totient is φ = 1109140302.

The previous prime is 1109140301. The next prime is 1109140327. The reversal of 1109140303 is 3030419011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1109140303 - 2¹ = 1109140301 is a prime.

Together with 1109140301, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1109140301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554570151 + 554570152.

It is an arithmetic number, because the mean of its divisors is an integer number (554570152).

Almost surely, 2^1109140303 is an apocalyptic number.

1109140303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109140303 is an equidigital number, since it uses as much as digits as its factorization.

1109140303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1109140303 is about 33303.7580912425. The cubic root of 1109140303 is about 1035.1314303289.

Adding to 1109140303 its reverse (3030419011), we get a palindrome (4139559314).

The spelling of 1109140303 in words is "one billion, one hundred nine million, one hundred forty thousand, three hundred three".