2719121 has 2 divisors, whose sum is σ = 2719122. Its totient is φ = 2719120.

The previous prime is 2719117. The next prime is 2719139. The reversal of 2719121 is 1219172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1795600 + 923521 = 1340^2 + 961^2 .

It is a cyclic number.

It is not a de Polignac number, because 2719121 - 2² = 2719117 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2719111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1359560 + 1359561.

It is an arithmetic number, because the mean of its divisors is an integer number (1359561).

2^2719121 is an apocalyptic number.

It is an amenable number.

2719121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2719121 is an equidigital number, since it uses as much as digits as its factorization.

2719121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252, while the sum is 23.

The square root of 2719121 is about 1648.9757426961. The cubic root of 2719121 is about 139.5756025322.

The spelling of 2719121 in words is "two million, seven hundred nineteen thousand, one hundred twenty-one".