8522120 has 32 divisors (see below), whose sum is σ = 19272600. Its totient is φ = 3391488.

The previous prime is 8522119. The next prime is 8522141. The reversal of 8522120 is 212258.

It can be written as a sum of positive squares in 4 ways, for example, as 8444836 + 77284 = 2906^2 + 278^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 8522092 and 8522101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9866 + ... + 10694.

Almost surely, 2^8522120 is an apocalyptic number.

It is an amenable number.

8522120 is an abundant number, since it is smaller than the sum of its proper divisors (10750480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8522120 is a wasteful number, since it uses less digits than its factorization.

8522120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097 (or 1093 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 8522120 is about 2919.2670312940. The cubic root of 8522120 is about 204.2596335371.

Adding to 8522120 its reverse (212258), we get a palindrome (8734378).

The spelling of 8522120 in words is "eight million, five hundred twenty-two thousand, one hundred twenty".