8107017121 has 12 divisors (see below), whose sum is σ = 9439661700. Its totient is φ = 6942203520.

The previous prime is 8107017119. The next prime is 8107017131. The reversal of 8107017121 is 1217107018.

It can be written as a sum of positive squares in 2 ways, for example, as 7112560896 + 994456225 = 84336^2 + 31535^2 .

It is not a de Polignac number, because 8107017121 - 2¹ = 8107017119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8107017121.

It is not an unprimeable number, because it can be changed into a prime (8107017101) 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, 27460 + ... + 130261.

It is an arithmetic number, because the mean of its divisors is an integer number (786638475).

Almost surely, 2^8107017121 is an apocalyptic number.

It is an amenable number.

8107017121 is a deficient number, since it is larger than the sum of its proper divisors (1332644579).

8107017121 is a wasteful number, since it uses less digits than its factorization.

8107017121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158784 (or 158777 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 28.

The square root of 8107017121 is about 90038.9755661402. The cubic root of 8107017121 is about 2008.8786201438.

The spelling of 8107017121 in words is "eight billion, one hundred seven million, seventeen thousand, one hundred twenty-one".