8669121 has 4 divisors (see below), whose sum is σ = 11558832. Its totient is φ = 5779412.

The previous prime is 8669117. The next prime is 8669123. The reversal of 8669121 is 1219668.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8669121 - 2² = 8669117 is a prime.

8669121 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8669123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1444851 + ... + 1444856.

It is an arithmetic number, because the mean of its divisors is an integer number (2889708).

Almost surely, 2^8669121 is an apocalyptic number.

It is an amenable number.

8669121 is a deficient number, since it is larger than the sum of its proper divisors (2889711).

8669121 is a wasteful number, since it uses less digits than its factorization.

8669121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889710.

The product of its digits is 5184, while the sum is 33.

The square root of 8669121 is about 2944.3371070582. The cubic root of 8669121 is about 205.4273930839.

The spelling of 8669121 in words is "eight million, six hundred sixty-nine thousand, one hundred twenty-one".