197105 has 8 divisors (see below), whose sum is σ = 240000. Its totient is φ = 155376.

The previous prime is 197101. The next prime is 197117. The reversal of 197105 is 501791.

Added to its reverse (501791) it gives a square (698896 = 836²).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 197105 - 2² = 197101 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (197101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146 + ... + 644.

It is an arithmetic number, because the mean of its divisors is an integer number (30000).

2¹⁹⁷¹⁰⁵ is an apocalyptic number.

It is an amenable number.

197105 is a deficient number, since it is larger than the sum of its proper divisors (42895).

197105 is an equidigital number, since it uses as much as digits as its factorization.

197105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583.

The product of its (nonzero) digits is 315, while the sum is 23.

The square root of 197105 is about 443.9650887176. The cubic root of 197105 is about 58.1968145381.

Adding to 197105 its reverse (501791), we get a palindrome (698896).

The spelling of 197105 in words is "one hundred ninety-seven thousand, one hundred five".