1105345 has 4 divisors (see below), whose sum is σ = 1326420. Its totient is φ = 884272.

The previous prime is 1105343. The next prime is 1105387. The reversal of 1105345 is 5435011.

1105345 is nontrivially palindromic in base 4.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 859329 + 246016 = 927^2 + 496^2 .

It is a cyclic number.

It is not a de Polignac number, because 1105345 - 2¹ = 1105343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1105343) 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, 110530 + ... + 110539.

It is an arithmetic number, because the mean of its divisors is an integer number (331605).

2^1105345 is an apocalyptic number.

It is an amenable number.

1105345 is a deficient number, since it is larger than the sum of its proper divisors (221075).

1105345 is an equidigital number, since it uses as much as digits as its factorization.

1105345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221074.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1105345 is about 1051.3538890402. The cubic root of 1105345 is about 103.3949395616.

The spelling of 1105345 in words is "one million, one hundred five thousand, three hundred forty-five".