1103345 has 8 divisors (see below), whose sum is σ = 1333800. Its totient is φ = 876160.

The previous prime is 1103341. The next prime is 1103353. The reversal of 1103345 is 5433011.

It can be written as a sum of positive squares in 4 ways, for example, as 5041 + 1098304 = 71^2 + 1048^2 .

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

It is not a de Polignac number, because 1103345 - 2² = 1103341 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1103341) 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 in 7 ways as a sum of consecutive naturals, for example, 5 + ... + 1485.

It is an arithmetic number, because the mean of its divisors is an integer number (166725).

2^1103345 is an apocalyptic number.

It is an amenable number.

1103345 is a deficient number, since it is larger than the sum of its proper divisors (230455).

1103345 is a wasteful number, since it uses less digits than its factorization.

1103345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1103345 is about 1050.4023038817. The cubic root of 1103345 is about 103.3325413282.

Adding to 1103345 its reverse (5433011), we get a palindrome (6536356).

The spelling of 1103345 in words is "one million, one hundred three thousand, three hundred forty-five".