2679121 has 4 divisors (see below), whose sum is σ = 2683044. Its totient is φ = 2675200.

The previous prime is 2679119. The next prime is 2679139. The reversal of 2679121 is 1219762.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1718721 + 960400 = 1311^2 + 980^2 .

It is a cyclic number.

It is not a de Polignac number, because 2679121 - 2¹ = 2679119 is a prime.

It is a Duffinian number.

2679121 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2679121.

It is not an unprimeable number, because it can be changed into a prime (2679101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640 + ... + 2401.

It is an arithmetic number, because the mean of its divisors is an integer number (670761).

2^2679121 is an apocalyptic number.

It is an amenable number.

2679121 is a deficient number, since it is larger than the sum of its proper divisors (3923).

2679121 is an equidigital number, since it uses as much as digits as its factorization.

2679121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3922.

The product of its digits is 1512, while the sum is 28.

The square root of 2679121 is about 1636.8020650036. The cubic root of 2679121 is about 138.8878034641.

The spelling of 2679121 in words is "two million, six hundred seventy-nine thousand, one hundred twenty-one".