1171103 has 4 divisors (see below), whose sum is σ = 1232760. Its totient is φ = 1109448.

The previous prime is 1171073. The next prime is 1171109. The reversal of 1171103 is 3011711.

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

It is not a de Polignac number, because 1171103 - 2⁶ = 1171039 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 (1171109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30800 + ... + 30837.

It is an arithmetic number, because the mean of its divisors is an integer number (308190).

2^1171103 is an apocalyptic number.

1171103 is a deficient number, since it is larger than the sum of its proper divisors (61657).

1171103 is an equidigital number, since it uses as much as digits as its factorization.

1171103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61656.

The product of its (nonzero) digits is 21, while the sum is 14.

The square root of 1171103 is about 1082.1751244600. The cubic root of 1171103 is about 105.4059267875.

Adding to 1171103 its reverse (3011711), we get a palindrome (4182814).

The spelling of 1171103 in words is "one million, one hundred seventy-one thousand, one hundred three".