1106603 has 4 divisors (see below), whose sum is σ = 1108968. Its totient is φ = 1104240.

The previous prime is 1106593. The next prime is 1106621. The reversal of 1106603 is 3066011.

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

It is a cyclic number.

It is not a de Polignac number, because 1106603 - 2¹⁰ = 1105579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1106653) 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, 218 + ... + 1503.

It is an arithmetic number, because the mean of its divisors is an integer number (277242).

2^1106603 is an apocalyptic number.

1106603 is a deficient number, since it is larger than the sum of its proper divisors (2365).

1106603 is an equidigital number, since it uses as much as digits as its factorization.

1106603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1106603 is about 1051.9519951024. The cubic root of 1106603 is about 103.4341494976.

The spelling of 1106603 in words is "one million, one hundred six thousand, six hundred three".