1109199103 has 2 divisors, whose sum is σ = 1109199104. Its totient is φ = 1109199102.

The previous prime is 1109199089. The next prime is 1109199109. The reversal of 1109199103 is 3019919011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1109199103 - 2⁹ = 1109198591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1109199109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554599551 + 554599552.

It is an arithmetic number, because the mean of its divisors is an integer number (554599552).

Almost surely, 2^1109199103 is an apocalyptic number.

1109199103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109199103 is an equidigital number, since it uses as much as digits as its factorization.

1109199103 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 34.

The square root of 1109199103 is about 33304.6408627987. The cubic root of 1109199103 is about 1035.1497221694.

The spelling of 1109199103 in words is "one billion, one hundred nine million, one hundred ninety-nine thousand, one hundred three".