11172103 has 4 divisors (see below), whose sum is σ = 11185720. Its totient is φ = 11158488.

The previous prime is 11172079. The next prime is 11172127. The reversal of 11172103 is 30127111.

11172103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (11172079) and next prime (11172127).

It is a cyclic number.

It is not a de Polignac number, because 11172103 - 2⁵ = 11172071 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 (11172193) 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, 5493 + ... + 7246.

It is an arithmetic number, because the mean of its divisors is an integer number (2796430).

Almost surely, 2^11172103 is an apocalyptic number.

11172103 is a deficient number, since it is larger than the sum of its proper divisors (13617).

11172103 is an equidigital number, since it uses as much as digits as its factorization.

11172103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13616.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 11172103 is about 3342.4695959724. The cubic root of 11172103 is about 223.5518716759.

Adding to 11172103 its reverse (30127111), we get a palindrome (41299214).

The spelling of 11172103 in words is "eleven million, one hundred seventy-two thousand, one hundred three".