876534121 has 12 divisors (see below), whose sum is σ = 910952532. Its totient is φ = 842912000.

The previous prime is 876534119. The next prime is 876534157. The reversal of 876534121 is 121435678.

It can be written as a sum of positive squares in 2 ways, for example, as 481319721 + 395214400 = 21939^2 + 19880^2 .

It is not a de Polignac number, because 876534121 - 2¹ = 876534119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (876534221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204561 + ... + 208801.

It is an arithmetic number, because the mean of its divisors is an integer number (75912711).

Almost surely, 2^876534121 is an apocalyptic number.

It is an amenable number.

876534121 is a deficient number, since it is larger than the sum of its proper divisors (34418411).

876534121 is an equidigital number, since it uses as much as digits as its factorization.

876534121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4424 (or 4353 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 876534121 is about 29606.3189370107. The cubic root of 876534121 is about 957.0242493802.

Adding to 876534121 its reverse (121435678), we get a palindrome (997969799).

The spelling of 876534121 in words is "eight hundred seventy-six million, five hundred thirty-four thousand, one hundred twenty-one".