8668129 has 8 divisors (see below), whose sum is σ = 9000000. Its totient is φ = 8338512.

The previous prime is 8668111. The next prime is 8668133. The reversal of 8668129 is 9218668.

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 8668129 - 2⁷ = 8668001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8668091 and 8668100.

It is not an unprimeable number, because it can be changed into a prime (8678129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14172 + ... + 14770.

It is an arithmetic number, because the mean of its divisors is an integer number (1125000).

Almost surely, 2^8668129 is an apocalyptic number.

It is an amenable number.

8668129 is a deficient number, since it is larger than the sum of its proper divisors (331871).

8668129 is a wasteful number, since it uses less digits than its factorization.

8668129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127.

The product of its digits is 41472, while the sum is 40.

The square root of 8668129 is about 2944.1686432676. The cubic root of 8668129 is about 205.4195571588.

The spelling of 8668129 in words is "eight million, six hundred sixty-eight thousand, one hundred twenty-nine".