1103199191 has 2 divisors, whose sum is σ = 1103199192. Its totient is φ = 1103199190.

The previous prime is 1103199157. The next prime is 1103199193. The reversal of 1103199191 is 1919913011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1103199191 - 2¹⁰ = 1103198167 is a prime.

Together with 1103199193, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103199193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551599595 + 551599596.

It is an arithmetic number, because the mean of its divisors is an integer number (551599596).

Almost surely, 2^1103199191 is an apocalyptic number.

1103199191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103199191 is an equidigital number, since it uses as much as digits as its factorization.

1103199191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2187, while the sum is 35.

The square root of 1103199191 is about 33214.4425062351. The cubic root of 1103199191 is about 1033.2798926808.

The spelling of 1103199191 in words is "one billion, one hundred three million, one hundred ninety-nine thousand, one hundred ninety-one".