8577121 has 4 divisors (see below), whose sum is σ = 9802432. Its totient is φ = 7351812.

The previous prime is 8577103. The next prime is 8577133. The reversal of 8577121 is 1217758.

It is a happy number.

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 8577121 - 2⁵ = 8577089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8577161) 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, 612645 + ... + 612658.

It is an arithmetic number, because the mean of its divisors is an integer number (2450608).

Almost surely, 2^8577121 is an apocalyptic number.

It is an amenable number.

8577121 is a deficient number, since it is larger than the sum of its proper divisors (1225311).

8577121 is a wasteful number, since it uses less digits than its factorization.

8577121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225310.

The product of its digits is 3920, while the sum is 31.

The square root of 8577121 is about 2928.6722247462. The cubic root of 8577121 is about 204.6981160432.

The spelling of 8577121 in words is "eight million, five hundred seventy-seven thousand, one hundred twenty-one".