1103173 has 4 divisors (see below), whose sum is σ = 1106028. Its totient is φ = 1100320.

The previous prime is 1103171. The next prime is 1103183. The reversal of 1103173 is 3713011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3713011 = 349 ⋅10639.

It can be written as a sum of positive squares in 2 ways, for example, as 146689 + 956484 = 383^2 + 978^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103173 - 2¹ = 1103171 is a prime.

It is a super-3 number, since 3×1103173³ = 4027653738333716151, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103171) 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, 736 + ... + 1657.

It is an arithmetic number, because the mean of its divisors is an integer number (276507).

2^1103173 is an apocalyptic number.

It is an amenable number.

1103173 is a deficient number, since it is larger than the sum of its proper divisors (2855).

1103173 is an equidigital number, since it uses as much as digits as its factorization.

1103173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854.

The product of its (nonzero) digits is 63, while the sum is 16.

The square root of 1103173 is about 1050.3204272983. The cubic root of 1103173 is about 103.3271715600.

Adding to 1103173 its reverse (3713011), we get a palindrome (4816184).

It can be divided in two parts, 110 and 3173, that multiplied together give a triangular number (349030 = T₈₃₅).

The spelling of 1103173 in words is "one million, one hundred three thousand, one hundred seventy-three".