8520120528 has 40 divisors (see below), whose sum is σ = 22178345376. Its totient is φ = 2818358400.

The previous prime is 8520120493. The next prime is 8520120547. The reversal of 8520120528 is 8250210258.

It is a congruent number.

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, 671203 + ... + 683778.

Almost surely, 2^8520120528 is an apocalyptic number.

It is an amenable number.

8520120528 is an abundant number, since it is smaller than the sum of its proper divisors (13658224848).

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

8520120528 is a wasteful number, since it uses less digits than its factorization.

8520120528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355123 (or 1355117 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 8520120528 is about 92304.4989586098. The cubic root of 8520120528 is about 2042.4365772502.

The spelling of 8520120528 in words is "eight billion, five hundred twenty million, one hundred twenty thousand, five hundred twenty-eight".