9120241872 has 160 divisors (see below), whose sum is σ = 31678329600. Its totient is φ = 2452488192.

The previous prime is 9120241861. The next prime is 9120241951. The reversal of 9120241872 is 2781420219.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37297 + ... + 140112.

It is an arithmetic number, because the mean of its divisors is an integer number (197989560).

Almost surely, 2^9120241872 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 9120241872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15839164800).

9120241872 is an abundant number, since it is smaller than the sum of its proper divisors (22558087728).

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

9120241872 is a wasteful number, since it uses less digits than its factorization.

9120241872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177450 (or 177438 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 9120241872 is about 95499.9574450167. The cubic root of 9120241872 is about 2089.3063235191.

The spelling of 9120241872 in words is "nine billion, one hundred twenty million, two hundred forty-one thousand, eight hundred seventy-two".