1105105 has 4 divisors (see below), whose sum is σ = 1326132. Its totient is φ = 884080.

The previous prime is 1105067. The next prime is 1105109. The reversal of 1105105 is 5015011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5015011 = 419 ⋅11969.

It can be written as a sum of positive squares in 2 ways, for example, as 863041 + 242064 = 929^2 + 492^2 .

It is not a de Polignac number, because 1105105 - 2¹⁷ = 974033 is a prime.

It is a super-2 number, since 2×1105105² = 2442514122050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110506 + ... + 110515.

It is an arithmetic number, because the mean of its divisors is an integer number (331533).

2^1105105 is an apocalyptic number.

It is an amenable number.

1105105 is a deficient number, since it is larger than the sum of its proper divisors (221027).

1105105 is an equidigital number, since it uses as much as digits as its factorization.

1105105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221026.

The product of its (nonzero) digits is 25, while the sum is 13.

The square root of 1105105 is about 1051.2397443019. The cubic root of 1105105 is about 103.3874557498.

The spelling of 1105105 in words is "one million, one hundred five thousand, one hundred five".