839271121 has 8 divisors (see below), whose sum is σ = 905362920. Its totient is φ = 773398272.

The previous prime is 839271077. The next prime is 839271143. The reversal of 839271121 is 121172938.

It can be written as a sum of positive squares in 4 ways, for example, as 72590400 + 766680721 = 8520^2 + 27689^2 .

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 839271121 - 2²⁵ = 805716689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (839271161) 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 in 7 ways as a sum of consecutive naturals, for example, 46726 + ... + 62143.

It is an arithmetic number, because the mean of its divisors is an integer number (113170365).

Almost surely, 2^839271121 is an apocalyptic number.

It is an amenable number.

839271121 is a deficient number, since it is larger than the sum of its proper divisors (66091799).

839271121 is a wasteful number, since it uses less digits than its factorization.

839271121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109475.

The product of its digits is 6048, while the sum is 34.

The square root of 839271121 is about 28970.1764060905. The cubic root of 839271121 is about 943.2658101005.

The spelling of 839271121 in words is "eight hundred thirty-nine million, two hundred seventy-one thousand, one hundred twenty-one".