2129195 has 4 divisors (see below), whose sum is σ = 2555040. Its totient is φ = 1703352.

The previous prime is 2129177. The next prime is 2129203. The reversal of 2129195 is 5919212.

2129195 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2129195 - 2¹² = 2125099 is a prime.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 212915 + ... + 212924.

It is an arithmetic number, because the mean of its divisors is an integer number (638760).

2^2129195 is an apocalyptic number.

2129195 is a deficient number, since it is larger than the sum of its proper divisors (425845).

2129195 is an equidigital number, since it uses as much as digits as its factorization.

2129195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425844.

The product of its digits is 1620, while the sum is 29.

The square root of 2129195 is about 1459.1761374145. The cubic root of 2129195 is about 128.6486241297.

The spelling of 2129195 in words is "two million, one hundred twenty-nine thousand, one hundred ninety-five".