1103105 has 8 divisors (see below), whose sum is σ = 1356264. Its totient is φ = 860800.

The previous prime is 1103101. The next prime is 1103107. The reversal of 1103105 is 5013011.

It can be written as a sum of positive squares in 4 ways, for example, as 2704 + 1100401 = 52^2 + 1049^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1103105 - 2² = 1103101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2486 + ... + 2895.

It is an arithmetic number, because the mean of its divisors is an integer number (169533).

2^1103105 is an apocalyptic number.

It is an amenable number.

1103105 is a deficient number, since it is larger than the sum of its proper divisors (253159).

1103105 is an equidigital number, since it uses as much as digits as its factorization.

1103105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5427.

The product of its (nonzero) digits is 15, while the sum is 11.

The square root of 1103105 is about 1050.2880557257. The cubic root of 1103105 is about 103.3250484744.

Adding to 1103105 its reverse (5013011), we get a palindrome (6116116).

The spelling of 1103105 in words is "one million, one hundred three thousand, one hundred five".