1170103 has 4 divisors (see below), whose sum is σ = 1276488. Its totient is φ = 1063720.

The previous prime is 1170089. The next prime is 1170107. The reversal of 1170103 is 3010711.

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 1170103 - 2⁹ = 1169591 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 (1170107) 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, 53176 + ... + 53197.

It is an arithmetic number, because the mean of its divisors is an integer number (319122).

2^1170103 is an apocalyptic number.

1170103 is a deficient number, since it is larger than the sum of its proper divisors (106385).

1170103 is a wasteful number, since it uses less digits than its factorization.

1170103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106384.

The product of its (nonzero) digits is 21, while the sum is 13.

The square root of 1170103 is about 1081.7129933582. The cubic root of 1170103 is about 105.3759163492.

Adding to 1170103 its reverse (3010711), we get a palindrome (4180814).

The spelling of 1170103 in words is "one million, one hundred seventy thousand, one hundred three".