103189 has 4 divisors (see below), whose sum is σ = 108640. Its totient is φ = 97740.

The previous prime is 103183. The next prime is 103217. The reversal of 103189 is 981301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103189 - 2⁹ = 102677 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 (103183) 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, 2697 + ... + 2734.

It is an arithmetic number, because the mean of its divisors is an integer number (27160).

2¹⁰³¹⁸⁹ is an apocalyptic number.

103189 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

103189 is a deficient number, since it is larger than the sum of its proper divisors (5451).

103189 is an equidigital number, since it uses as much as digits as its factorization.

103189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5450.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 103189 is about 321.2304468758. The cubic root of 103189 is about 46.9041353685.

It can be divided in two parts, 103 and 189, that added together give a palindrome (292).

The spelling of 103189 in words is "one hundred three thousand, one hundred eighty-nine".