9120510720 has 216 divisors, whose sum is σ = 33217657200. Its totient is φ = 2304073728.

The previous prime is 9120510697. The next prime is 9120510797. The reversal of 9120510720 is 270150219.

9120510720 is a `hidden beast` number, since 9 + 120 + 510 + 7 + 20 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198046 + ... + 239714.

It is an arithmetic number, because the mean of its divisors is an integer number (153785450).

Almost surely, 2^9120510720 is an apocalyptic number.

9120510720 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9120510720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16608828600).

9120510720 is an abundant number, since it is smaller than the sum of its proper divisors (24097146480).

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

9120510720 is a wasteful number, since it uses less digits than its factorization.

9120510720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41715 (or 41698 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 9120510720 is about 95501.3650164227. The cubic root of 9120510720 is about 2089.3268529566.

Adding to 9120510720 its reverse (270150219), we get a palindrome (9390660939).

The spelling of 9120510720 in words is "nine billion, one hundred twenty million, five hundred ten thousand, seven hundred twenty".