192109 has 4 divisors (see below), whose sum is σ = 202240. Its totient is φ = 181980.

The previous prime is 192103. The next prime is 192113. The reversal of 192109 is 901291.

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, and also an emirpimes, since its reverse is a distinct semiprime: 901291 = 29 ⋅31079.

It is a cyclic number.

It is not a de Polignac number, because 192109 - 2¹³ = 183917 is a prime.

It is a Duffinian number.

192109 is a lucky number.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 192109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192103) 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, 5037 + ... + 5074.

It is an arithmetic number, because the mean of its divisors is an integer number (50560).

2¹⁹²¹⁰⁹ is an apocalyptic number.

192109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

192109 is a deficient number, since it is larger than the sum of its proper divisors (10131).

192109 is a wasteful number, since it uses less digits than its factorization.

192109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10130.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 192109 is about 438.3024070205. The cubic root of 192109 is about 57.7008977750.

The spelling of 192109 in words is "one hundred ninety-two thousand, one hundred nine".