2120195 has 16 divisors (see below), whose sum is σ = 3172608. Its totient is φ = 1321440.

The previous prime is 2120171. The next prime is 2120203. The reversal of 2120195 is 5910212.

It is not a de Polignac number, because 2120195 - 2⁸ = 2119939 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2369 + ... + 3138.

It is an arithmetic number, because the mean of its divisors is an integer number (198288).

2^2120195 is an apocalyptic number.

2120195 is a deficient number, since it is larger than the sum of its proper divisors (1052413).

2120195 is a wasteful number, since it uses less digits than its factorization.

2120195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5530.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 2120195 is about 1456.0889395913. The cubic root of 2120195 is about 128.4671043796.

The spelling of 2120195 in words is "two million, one hundred twenty thousand, one hundred ninety-five".