8504121 has 4 divisors (see below), whose sum is σ = 11338832. Its totient is φ = 5669412.

The previous prime is 8504081. The next prime is 8504129. The reversal of 8504121 is 1214058.

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 not a de Polignac number, because 8504121 - 2⁶ = 8504057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8504129) 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, 1417351 + ... + 1417356.

It is an arithmetic number, because the mean of its divisors is an integer number (2834708).

Almost surely, 2^8504121 is an apocalyptic number.

It is an amenable number.

8504121 is a deficient number, since it is larger than the sum of its proper divisors (2834711).

8504121 is a wasteful number, since it uses less digits than its factorization.

8504121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834710.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 8504121 is about 2916.1826074510. The cubic root of 8504121 is about 204.1157311411.

Adding to 8504121 its reverse (1214058), we get a palindrome (9718179).

The spelling of 8504121 in words is "eight million, five hundred four thousand, one hundred twenty-one".