984842121 has 8 divisors (see below), whose sum is σ = 1324743840. Its totient is φ = 650750912.

The previous prime is 984842119. The next prime is 984842123. The reversal of 984842121 is 121248489.

It is an interprime number because it is at equal distance from previous prime (984842119) and next prime (984842123).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 984842121 - 2¹ = 984842119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 984842121.

It is not an unprimeable number, because it can be changed into a prime (984842123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1452231 + ... + 1452908.

It is an arithmetic number, because the mean of its divisors is an integer number (165592980).

Almost surely, 2^984842121 is an apocalyptic number.

It is an amenable number.

984842121 is a deficient number, since it is larger than the sum of its proper divisors (339901719).

984842121 is a wasteful number, since it uses less digits than its factorization.

984842121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905255.

The product of its digits is 36864, while the sum is 39.

The square root of 984842121 is about 31382.1943305436. The cubic root of 984842121 is about 994.9216274558.

The spelling of 984842121 in words is "nine hundred eighty-four million, eight hundred forty-two thousand, one hundred twenty-one".