1103738189 has 2 divisors, whose sum is σ = 1103738190. Its totient is φ = 1103738188.

The previous prime is 1103738179. The next prime is 1103738203. The reversal of 1103738189 is 9818373011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 977625289 + 126112900 = 31267^2 + 11230^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103738189 - 2¹⁶ = 1103672653 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103738179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551869094 + 551869095.

It is an arithmetic number, because the mean of its divisors is an integer number (551869095).

Almost surely, 2^1103738189 is an apocalyptic number.

It is an amenable number.

1103738189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103738189 is an equidigital number, since it uses as much as digits as its factorization.

1103738189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 1103738189 is about 33222.5554254937. Note that the first 3 decimals coincide. The cubic root of 1103738189 is about 1033.4481442902.

The spelling of 1103738189 in words is "one billion, one hundred three million, seven hundred thirty-eight thousand, one hundred eighty-nine".