1138103 has 4 divisors (see below), whose sum is σ = 1174848. Its totient is φ = 1101360.

The previous prime is 1138097. The next prime is 1138117. The reversal of 1138103 is 3018311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1138103 - 2²⁰ = 89527 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 (1138183) 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 3 ways as a sum of consecutive naturals, for example, 18326 + ... + 18387.

It is an arithmetic number, because the mean of its divisors is an integer number (293712).

2^1138103 is an apocalyptic number.

1138103 is a deficient number, since it is larger than the sum of its proper divisors (36745).

1138103 is an equidigital number, since it uses as much as digits as its factorization.

1138103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36744.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1138103 is about 1066.8191036910. The cubic root of 1138103 is about 104.4064163738.

The spelling of 1138103 in words is "one million, one hundred thirty-eight thousand, one hundred three".