8608365121 has 4 divisors (see below), whose sum is σ = 8608889044. Its totient is φ = 8607841200.

The previous prime is 8608365097. The next prime is 8608365137. The reversal of 8608365121 is 1215638068.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4642514496 + 3965850625 = 68136^2 + 62975^2 .

It is a cyclic number.

It is not a de Polignac number, because 8608365121 - 2¹⁹ = 8607840833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8608365151) 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 3 ways as a sum of consecutive naturals, for example, 236490 + ... + 270451.

It is an arithmetic number, because the mean of its divisors is an integer number (2152222261).

Almost surely, 2^8608365121 is an apocalyptic number.

It is an amenable number.

8608365121 is a deficient number, since it is larger than the sum of its proper divisors (523923).

8608365121 is a wasteful number, since it uses less digits than its factorization.

8608365121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523922.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 8608365121 is about 92781.2757025899. The cubic root of 8608365121 is about 2049.4636805217.

The spelling of 8608365121 in words is "eight billion, six hundred eight million, three hundred sixty-five thousand, one hundred twenty-one".