1606103 has 4 divisors (see below), whose sum is σ = 1608648. Its totient is φ = 1603560.

The previous prime is 1606097. The next prime is 1606117. The reversal of 1606103 is 3016061.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1606103 - 2¹⁴ = 1589719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606123) 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, 473 + ... + 1853.

It is an arithmetic number, because the mean of its divisors is an integer number (402162).

2^1606103 is an apocalyptic number.

1606103 is a deficient number, since it is larger than the sum of its proper divisors (2545).

1606103 is a wasteful number, since it uses less digits than its factorization.

1606103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544.

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

The square root of 1606103 is about 1267.3211905433. The cubic root of 1606103 is about 117.1092315176.

The spelling of 1606103 in words is "one million, six hundred six thousand, one hundred three".