1066103 has 4 divisors (see below), whose sum is σ = 1068600. Its totient is φ = 1063608.

The previous prime is 1066067. The next prime is 1066111. The reversal of 1066103 is 3016601.

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 1066103 - 2⁸ = 1065847 is a prime.

It is a super-2 number, since 2×1066103² = 2273151213218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066133) 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, 428 + ... + 1521.

It is an arithmetic number, because the mean of its divisors is an integer number (267150).

2^1066103 is an apocalyptic number.

1066103 is a deficient number, since it is larger than the sum of its proper divisors (2497).

1066103 is an equidigital number, since it uses as much as digits as its factorization.

1066103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496.

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

The square root of 1066103 is about 1032.5226389770. The cubic root of 1066103 is about 102.1565901862.

The spelling of 1066103 in words is "one million, sixty-six thousand, one hundred three".