2680121 has 8 divisors (see below), whose sum is σ = 2944320. Its totient is φ = 2428272.

The previous prime is 2680109. The next prime is 2680123. The reversal of 2680121 is 1210862.

2680121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2680121 - 2¹⁸ = 2417977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2680093 and 2680102.

It is not an unprimeable number, because it can be changed into a prime (2680123) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2630 + ... + 3503.

It is an arithmetic number, because the mean of its divisors is an integer number (368040).

2^2680121 is an apocalyptic number.

It is an amenable number.

2680121 is a deficient number, since it is larger than the sum of its proper divisors (264199).

2680121 is a wasteful number, since it uses less digits than its factorization.

2680121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6175.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 2680121 is about 1637.1075102143. The cubic root of 2680121 is about 138.9050815847.

Adding to 2680121 its reverse (1210862), we get a palindrome (3890983).

The spelling of 2680121 in words is "two million, six hundred eighty thousand, one hundred twenty-one".