2716121 has 4 divisors (see below), whose sum is σ = 2734500. Its totient is φ = 2697744.

The previous prime is 2716117. The next prime is 2716157. The reversal of 2716121 is 1216172.

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 1784896 + 931225 = 1336^2 + 965^2 .

It is a cyclic number.

It is not a de Polignac number, because 2716121 - 2² = 2716117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2716093 and 2716102.

It is not an unprimeable number, because it can be changed into a prime (2719121) 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, 8966 + ... + 9263.

It is an arithmetic number, because the mean of its divisors is an integer number (683625).

2^2716121 is an apocalyptic number.

It is an amenable number.

2716121 is a deficient number, since it is larger than the sum of its proper divisors (18379).

2716121 is a wasteful number, since it uses less digits than its factorization.

2716121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18378.

The product of its digits is 168, while the sum is 20.

The square root of 2716121 is about 1648.0658360636. The cubic root of 2716121 is about 139.5242524947.

The spelling of 2716121 in words is "two million, seven hundred sixteen thousand, one hundred twenty-one".