1223103 has 8 divisors (see below), whose sum is σ = 1863808. Its totient is φ = 698904.

The previous prime is 1223093. The next prime is 1223119. The reversal of 1223103 is 3013221.

It is a happy number.

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

It is not a de Polignac number, because 1223103 - 2⁶ = 1223039 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29101 + ... + 29142.

It is an arithmetic number, because the mean of its divisors is an integer number (232976).

2^1223103 is an apocalyptic number.

1223103 is a deficient number, since it is larger than the sum of its proper divisors (640705).

1223103 is an equidigital number, since it uses as much as digits as its factorization.

1223103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58253.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1223103 is about 1105.9398717833. The cubic root of 1223103 is about 106.9434877871.

Adding to 1223103 its reverse (3013221), we get a palindrome (4236324).

It can be divided in two parts, 1223 and 103, that added together give a triangular number (1326 = T₅₁).

The spelling of 1223103 in words is "one million, two hundred twenty-three thousand, one hundred three".