9799941121 has 8 divisors (see below), whose sum is σ = 9853872264. Its totient is φ = 9746042880.

The previous prime is 9799941119. The next prime is 9799941149. The reversal of 9799941121 is 1211499979.

It can be written as a sum of positive squares in 4 ways, for example, as 2658846096 + 7141095025 = 51564^2 + 84505^2 .

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 9799941121 - 2¹ = 9799941119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9799941161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807861 + ... + 819901.

It is an arithmetic number, because the mean of its divisors is an integer number (1231734033).

Almost surely, 2^9799941121 is an apocalyptic number.

It is an amenable number.

9799941121 is a deficient number, since it is larger than the sum of its proper divisors (53931143).

9799941121 is a wasteful number, since it uses less digits than its factorization.

9799941121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16451.

The product of its digits is 367416, while the sum is 52.

The square root of 9799941121 is about 98994.6519818116. The cubic root of 9799941121 is about 2139.9706754214.

The spelling of 9799941121 in words is "nine billion, seven hundred ninety-nine million, nine hundred forty-one thousand, one hundred twenty-one".