1106003 has 12 divisors (see below), whose sum is σ = 1215720. Its totient is φ = 1005312.

The previous prime is 1105999. The next prime is 1106029. The reversal of 1106003 is 3006011.

It is not a de Polignac number, because 1106003 - 2² = 1105999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1196003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12383 + ... + 12471.

It is an arithmetic number, because the mean of its divisors is an integer number (101310).

2^1106003 is an apocalyptic number.

1106003 is a deficient number, since it is larger than the sum of its proper divisors (109717).

1106003 is an equidigital number, since it uses as much as digits as its factorization.

1106003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1106003 is about 1051.6667723191. Note that the first 3 decimals coincide. The cubic root of 1106003 is about 103.4154521239.

The spelling of 1106003 in words is "one million, one hundred six thousand, three".