1111103 has 8 divisors (see below), whose sum is σ = 1344672. Its totient is φ = 896256.

The previous prime is 1111091. The next prime is 1111151. The reversal of 1111103 is 3011111.

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 1111103 - 2⁴ = 1111087 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111183) 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, 4550 + ... + 4787.

It is an arithmetic number, because the mean of its divisors is an integer number (168084).

2^1111103 is an apocalyptic number.

1111103 is a deficient number, since it is larger than the sum of its proper divisors (233569).

1111103 is an equidigital number, since it uses as much as digits as its factorization.

1111103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9361.

The product of its (nonzero) digits is 3, while the sum is 8.

The square root of 1111103 is about 1054.0887059446. The cubic root of 1111103 is about 103.5741648334.

Adding to 1111103 its reverse (3011111), we get a palindrome (4122214).

The spelling of 1111103 in words is "one million, one hundred eleven thousand, one hundred three".