1826103 has 4 divisors (see below), whose sum is σ = 2434808. Its totient is φ = 1217400.

The previous prime is 1826093. The next prime is 1826107. The reversal of 1826103 is 3016281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3016281 = 3 ⋅1005427.

It is not a de Polignac number, because 1826103 - 2⁹ = 1825591 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1826103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1826107) 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, 304348 + ... + 304353.

It is an arithmetic number, because the mean of its divisors is an integer number (608702).

2^1826103 is an apocalyptic number.

1826103 is a deficient number, since it is larger than the sum of its proper divisors (608705).

1826103 is an equidigital number, since it uses as much as digits as its factorization.

1826103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608704.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1826103 is about 1351.3337855615. Note that the first 3 decimals coincide. The cubic root of 1826103 is about 122.2292339718.

The spelling of 1826103 in words is "one million, eight hundred twenty-six thousand, one hundred three".