984121 has 2 divisors, whose sum is σ = 984122. Its totient is φ = 984120.

The previous prime is 984119. The next prime is 984127. The reversal of 984121 is 121489.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 881721 + 102400 = 939^2 + 320^2 .

It is a cyclic number.

It is not a de Polignac number, because 984121 - 2¹ = 984119 is a prime.

Together with 984119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (984127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492060 + 492061.

It is an arithmetic number, because the mean of its divisors is an integer number (492061).

2⁹⁸⁴¹²¹ is an apocalyptic number.

It is an amenable number.

984121 is a deficient number, since it is larger than the sum of its proper divisors (1).

984121 is an equidigital number, since it uses as much as digits as its factorization.

984121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 25.

The square root of 984121 is about 992.0287294227. The cubic root of 984121 is about 99.4678734357.

The spelling of 984121 in words is "nine hundred eighty-four thousand, one hundred twenty-one".