195105 has 8 divisors (see below), whose sum is σ = 312192. Its totient is φ = 104048.

The previous prime is 195103. The next prime is 195121. The reversal of 195105 is 501591.

It is a happy number.

195105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 195105 - 2¹ = 195103 is a prime.

It is a super-2 number, since 2×195105² = 76131922050, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (195103) 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, 6489 + ... + 6518.

It is an arithmetic number, because the mean of its divisors is an integer number (39024).

2¹⁹⁵¹⁰⁵ is an apocalyptic number.

195105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

195105 is a deficient number, since it is larger than the sum of its proper divisors (117087).

195105 is a wasteful number, since it uses less digits than its factorization.

195105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13015.

The product of its (nonzero) digits is 225, while the sum is 21.

The square root of 195105 is about 441.7069164050. The cubic root of 195105 is about 57.9993063730. Note that the first 3 decimals are identical.

Adding to 195105 its reverse (501591), we get a palindrome (696696).

It can be divided in two parts, 195 and 105, that added together give a triangular number (300 = T₂₄).

The spelling of 195105 in words is "one hundred ninety-five thousand, one hundred five".