8604121 has 4 divisors (see below), whose sum is σ = 8611200. Its totient is φ = 8597044.

The previous prime is 8604119. The next prime is 8604151. The reversal of 8604121 is 1214068.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8604121 - 2¹ = 8604119 is a prime.

It is a Duffinian number.

8604121 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8604092 and 8604101.

It is not an unprimeable number, because it can be changed into a prime (8604151) 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, 1201 + ... + 4318.

It is an arithmetic number, because the mean of its divisors is an integer number (2152800).

Almost surely, 2^8604121 is an apocalyptic number.

It is an amenable number.

8604121 is a deficient number, since it is larger than the sum of its proper divisors (7079).

8604121 is a wasteful number, since it uses less digits than its factorization.

8604121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7078.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 8604121 is about 2933.2782002395. The cubic root of 8604121 is about 204.9126814323.

Adding to 8604121 its reverse (1214068), we get a palindrome (9818189).

The spelling of 8604121 in words is "eight million, six hundred four thousand, one hundred twenty-one".