195100 has 18 divisors (see below), whose sum is σ = 423584. Its totient is φ = 78000.

The previous prime is 195089. The next prime is 195103. The reversal of 195100 is 1591.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195103) by changing a digit.

195100 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 876 + ... + 1075.

2¹⁹⁵¹⁰⁰ is an apocalyptic number.

195100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195100 is an abundant number, since it is smaller than the sum of its proper divisors (228484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195100 is a wasteful number, since it uses less digits than its factorization.

195100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965 (or 1958 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 195100 is about 441.7012565072. The cubic root of 195100 is about 57.9988109150.

Adding to 195100 its reverse (1591), we get a palindrome (196691).

The spelling of 195100 in words is "one hundred ninety-five thousand, one hundred".