875085121 has 8 divisors (see below), whose sum is σ = 905725800. Its totient is φ = 844475520.

The previous prime is 875085097. The next prime is 875085137. The reversal of 875085121 is 121580578.

It can be written as a sum of positive squares in 4 ways, for example, as 477641025 + 397444096 = 21855^2 + 19936^2 .

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 875085121 - 2⁵ = 875085089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (875085161) 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, 59535 + ... + 72763.

It is an arithmetic number, because the mean of its divisors is an integer number (113215725).

Almost surely, 2^875085121 is an apocalyptic number.

It is an amenable number.

875085121 is a deficient number, since it is larger than the sum of its proper divisors (30640679).

875085121 is a wasteful number, since it uses less digits than its factorization.

875085121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15539.

The product of its (nonzero) digits is 22400, while the sum is 37.

The square root of 875085121 is about 29581.8376880139. The cubic root of 875085121 is about 956.4966057358.

It can be divided in two parts, 87508 and 5121, that added together give a palindrome (92629).

The spelling of 875085121 in words is "eight hundred seventy-five million, eighty-five thousand, one hundred twenty-one".