4798121 has 2 divisors, whose sum is σ = 4798122. Its totient is φ = 4798120.

The previous prime is 4798091. The next prime is 4798163. The reversal of 4798121 is 1218974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4791721 + 6400 = 2189^2 + 80^2 .

It is a cyclic number.

It is not a de Polignac number, because 4798121 - 2¹⁴ = 4781737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4798181) 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, 2399060 + 2399061.

It is an arithmetic number, because the mean of its divisors is an integer number (2399061).

Almost surely, 2^4798121 is an apocalyptic number.

It is an amenable number.

4798121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4798121 is an equidigital number, since it uses as much as digits as its factorization.

4798121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 32.

The square root of 4798121 is about 2190.4613669271. The cubic root of 4798121 is about 168.6645189379.

The spelling of 4798121 in words is "four million, seven hundred ninety-eight thousand, one hundred twenty-one".