2898121 has 2 divisors, whose sum is σ = 2898122. Its totient is φ = 2898120.

The previous prime is 2898101. The next prime is 2898131. The reversal of 2898121 is 1218982.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2016400 + 881721 = 1420^2 + 939^2 .

It is a cyclic number.

It is not a de Polignac number, because 2898121 - 2¹¹ = 2896073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2898101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1449060 + 1449061.

It is an arithmetic number, because the mean of its divisors is an integer number (1449061).

2^2898121 is an apocalyptic number.

It is an amenable number.

2898121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2898121 is an equidigital number, since it uses as much as digits as its factorization.

2898121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 31.

The square root of 2898121 is about 1702.3868538026. The cubic root of 2898121 is about 142.5735088062.

The spelling of 2898121 in words is "two million, eight hundred ninety-eight thousand, one hundred twenty-one".