2122065 has 32 divisors (see below), whose sum is σ = 4118400. Its totient is φ = 1028160.

The previous prime is 2122063. The next prime is 2122073. The reversal of 2122065 is 5602212.

It is not a de Polignac number, because 2122065 - 2¹ = 2122063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122063) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 771 + ... + 2199.

It is an arithmetic number, because the mean of its divisors is an integer number (128700).

2^2122065 is an apocalyptic number.

It is an amenable number.

2122065 is a deficient number, since it is larger than the sum of its proper divisors (1996335).

2122065 is a wasteful number, since it uses less digits than its factorization.

2122065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454 (or 1448 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2122065 is about 1456.7309291698. The cubic root of 2122065 is about 128.5048623675.

Adding to 2122065 its reverse (5602212), we get a palindrome (7724277).

The spelling of 2122065 in words is "two million, one hundred twenty-two thousand, sixty-five".