2121795 has 60 divisors (see below), whose sum is σ = 4251456. Its totient is φ = 1010880.

The previous prime is 2121793. The next prime is 2121797. The reversal of 2121795 is 5971212.

It is an interprime number because it is at equal distance from previous prime (2121793) and next prime (2121797).

It is not a de Polignac number, because 2121795 - 2¹ = 2121793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2121793) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 68430 + ... + 68460.

2^2121795 is an apocalyptic number.

2121795 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

2121795 is a wasteful number, since it uses less digits than its factorization.

2121795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 52 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 2121795 is about 1456.6382529647. The cubic root of 2121795 is about 128.4994120500.

It can be divided in two parts, 21217 and 95, that added together give a palindrome (21312).

The spelling of 2121795 in words is "two million, one hundred twenty-one thousand, seven hundred ninety-five".