1818103 has 8 divisors (see below), whose sum is σ = 2090880. Its totient is φ = 1548600.

The previous prime is 1818079. The next prime is 1818107. The reversal of 1818103 is 3018181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1818103 - 2¹³ = 1809911 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

1818103 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1818107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528 + ... + 1978.

It is an arithmetic number, because the mean of its divisors is an integer number (261360).

2^1818103 is an apocalyptic number.

1818103 is a deficient number, since it is larger than the sum of its proper divisors (272777).

1818103 is a wasteful number, since it uses less digits than its factorization.

1818103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 1818103 is about 1348.3704980457. The cubic root of 1818103 is about 122.0504807666.

The spelling of 1818103 in words is "one million, eight hundred eighteen thousand, one hundred three".