8528121 has 12 divisors (see below), whose sum is σ = 14078272. Its totient is φ = 4873176.

The previous prime is 8528111. The next prime is 8528141. The reversal of 8528121 is 1218258.

It is not a de Polignac number, because 8528121 - 2⁶ = 8528057 is a prime.

It is a Duffinian number.

8528121 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8528111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67621 + ... + 67746.

Almost surely, 2^8528121 is an apocalyptic number.

It is an amenable number.

8528121 is a deficient number, since it is larger than the sum of its proper divisors (5550151).

8528121 is a wasteful number, since it uses less digits than its factorization.

8528121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135380 (or 135377 counting only the distinct ones).

The product of its digits is 1280, while the sum is 27.

The square root of 8528121 is about 2920.2946769119. The cubic root of 8528121 is about 204.3075666202.

It can be divided in two parts, 8528 and 121, that added together give a square (8649 = 93²).

The spelling of 8528121 in words is "eight million, five hundred twenty-eight thousand, one hundred twenty-one".