2721141 has 16 divisors (see below), whose sum is σ = 4076800. Its totient is φ = 1793664.

The previous prime is 2721137. The next prime is 2721143. The reversal of 2721141 is 1411272.

2721141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2721141 - 2² = 2721137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2721143) 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 15 ways as a sum of consecutive naturals, for example, 2100 + ... + 3138.

It is an arithmetic number, because the mean of its divisors is an integer number (254800).

2^2721141 is an apocalyptic number.

It is an amenable number.

2721141 is a deficient number, since it is larger than the sum of its proper divisors (1355659).

2721141 is a wasteful number, since it uses less digits than its factorization.

2721141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 1139 counting only the distinct ones).

The product of its digits is 112, while the sum is 18.

The square root of 2721141 is about 1649.5881304132. The cubic root of 2721141 is about 139.6101569499.

The spelling of 2721141 in words is "two million, seven hundred twenty-one thousand, one hundred forty-one".