2121095 has 8 divisors (see below), whose sum is σ = 2556576. Its totient is φ = 1689376.

The previous prime is 2121043. The next prime is 2121121. The reversal of 2121095 is 5901212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2121095 is a prime.

It is a super-3 number, since 3×2121095³ = 28628699193335797125, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509 + ... + 2121.

It is an arithmetic number, because the mean of its divisors is an integer number (319572).

2^2121095 is an apocalyptic number.

2121095 is a deficient number, since it is larger than the sum of its proper divisors (435481).

2121095 is a wasteful number, since it uses less digits than its factorization.

2121095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881.

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

The square root of 2121095 is about 1456.3979538574. The cubic root of 2121095 is about 128.4852794434.

The spelling of 2121095 in words is "two million, one hundred twenty-one thousand, ninety-five".