8785121 has 8 divisors (see below), whose sum is σ = 9241344. Its totient is φ = 8339760.

The previous prime is 8785109. The next prime is 8785123. The reversal of 8785121 is 1215878.

It is a happy number.

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 8785121 - 2¹⁴ = 8768737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8785123) 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, 1031 + ... + 4316.

It is an arithmetic number, because the mean of its divisors is an integer number (1155168).

Almost surely, 2^8785121 is an apocalyptic number.

It is an amenable number.

8785121 is a deficient number, since it is larger than the sum of its proper divisors (456223).

8785121 is a wasteful number, since it uses less digits than its factorization.

8785121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5431.

The product of its digits is 4480, while the sum is 32.

The square root of 8785121 is about 2963.9704789353. The cubic root of 8785121 is about 206.3395991484.

The spelling of 8785121 in words is "eight million, seven hundred eighty-five thousand, one hundred twenty-one".