2797121 has 2 divisors, whose sum is σ = 2797122. Its totient is φ = 2797120.

The previous prime is 2797117. The next prime is 2797133. The reversal of 2797121 is 1217972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2356225 + 440896 = 1535^2 + 664^2 .

It is a cyclic number.

It is not a de Polignac number, because 2797121 - 2² = 2797117 is a prime.

It is not a weakly prime, because it can be changed into another prime (2791121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1398560 + 1398561.

It is an arithmetic number, because the mean of its divisors is an integer number (1398561).

2^2797121 is an apocalyptic number.

It is an amenable number.

2797121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2797121 is an equidigital number, since it uses as much as digits as its factorization.

2797121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1764, while the sum is 29.

The square root of 2797121 is about 1672.4595660284. The cubic root of 2797121 is about 140.8976505201.

The spelling of 2797121 in words is "two million, seven hundred ninety-seven thousand, one hundred twenty-one".