1101103 has 2 divisors, whose sum is σ = 1101104. Its totient is φ = 1101102.

The previous prime is 1101097. The next prime is 1101109. The reversal of 1101103 is 3011011.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1101097) and next prime (1101109).

It is an emirp because it is prime and its reverse (3011011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1101103 - 2⁵ = 1101071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550551 + 550552.

It is an arithmetic number, because the mean of its divisors is an integer number (550552).

2^1101103 is an apocalyptic number.

1101103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101103 is an equidigital number, since it uses as much as digits as its factorization.

1101103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3, while the sum is 7.

The square root of 1101103 is about 1049.3345510370. The cubic root of 1101103 is about 103.2625032005.

Adding to 1101103 its reverse (3011011), we get a palindrome (4112114).

The spelling of 1101103 in words is "one million, one hundred one thousand, one hundred three".