1228103 has 8 divisors (see below), whose sum is σ = 1306800. Its totient is φ = 1150848.

The previous prime is 1228099. The next prime is 1228109. The reversal of 1228103 is 3018221.

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 1228103 - 2² = 1228099 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 (1228109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1775 + ... + 2367.

It is an arithmetic number, because the mean of its divisors is an integer number (163350).

2^1228103 is an apocalyptic number.

1228103 is a deficient number, since it is larger than the sum of its proper divisors (78697).

1228103 is a wasteful number, since it uses less digits than its factorization.

1228103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1228103 is about 1108.1980869863. The cubic root of 1228103 is about 107.0890166740.

It can be divided in two parts, 1228 and 103, that added together give a palindrome (1331).

The spelling of 1228103 in words is "one million, two hundred twenty-eight thousand, one hundred three".