2899121 has 2 divisors, whose sum is σ = 2899122. Its totient is φ = 2899120.

The previous prime is 2899109. The next prime is 2899133. The reversal of 2899121 is 1219982.

It is a happy number.

2899121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (2899109) and next prime (2899133).

It can be written as a sum of positive squares in only one way, i.e., 2436721 + 462400 = 1561^2 + 680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2899121 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2899181) 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 as a sum of consecutive naturals, namely, 1449560 + 1449561.

It is an arithmetic number, because the mean of its divisors is an integer number (1449561).

2^2899121 is an apocalyptic number.

It is an amenable number.

2899121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2899121 is an equidigital number, since it uses as much as digits as its factorization.

2899121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 32.

The square root of 2899121 is about 1702.6805337467. The cubic root of 2899121 is about 142.5899053051.

The spelling of 2899121 in words is "two million, eight hundred ninety-nine thousand, one hundred twenty-one".