1103911 has 2 divisors, whose sum is σ = 1103912. Its totient is φ = 1103910.

The previous prime is 1103903. The next prime is 1103923. The reversal of 1103911 is 1193011.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1193011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1103911 - 2³ = 1103903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551955 + 551956.

It is an arithmetic number, because the mean of its divisors is an integer number (551956).

2^1103911 is an apocalyptic number.

1103911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103911 is an equidigital number, since it uses as much as digits as its factorization.

1103911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27, while the sum is 16.

The square root of 1103911 is about 1050.6716899203. The cubic root of 1103911 is about 103.3502076732.

Adding to 1103911 its reverse (1193011), we get a palindrome (2296922).

The spelling of 1103911 in words is "one million, one hundred three thousand, nine hundred eleven".