2001195 has 24 divisors (see below), whose sum is σ = 3964896. Its totient is φ = 914688.

The previous prime is 2001191. The next prime is 2001199. The reversal of 2001195 is 5911002.

It is an interprime number because it is at equal distance from previous prime (2001191) and next prime (2001199).

It is not a de Polignac number, because 2001195 - 2² = 2001191 is a prime.

2001195 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2001191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2862 + ... + 3491.

It is an arithmetic number, because the mean of its divisors is an integer number (165204).

2^2001195 is an apocalyptic number.

2001195 is a deficient number, since it is larger than the sum of its proper divisors (1963701).

2001195 is a wasteful number, since it uses less digits than its factorization.

2001195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6371 (or 6368 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 2001195 is about 1414.6359955833. The cubic root of 2001195 is about 126.0171934209.

Adding to 2001195 its reverse (5911002), we get a palindrome (7912197).

The spelling of 2001195 in words is "two million, one thousand, one hundred ninety-five".