9125520 has 80 divisors (see below), whose sum is σ = 28926720. Its totient is φ = 2378752.

The previous prime is 9125513. The next prime is 9125521. The reversal of 9125520 is 255219.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (9125521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10876 + ... + 11684.

It is an arithmetic number, because the mean of its divisors is an integer number (361584).

Almost surely, 2^9125520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9125520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14463360).

9125520 is an abundant number, since it is smaller than the sum of its proper divisors (19801200).

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

9125520 is a wasteful number, since it uses less digits than its factorization.

9125520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872 (or 866 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 9125520 is about 3020.8475631849. The cubic root of 9125520 is about 208.9709291617.

The spelling of 9125520 in words is "nine million, one hundred twenty-five thousand, five hundred twenty".