8641120 has 48 divisors (see below), whose sum is σ = 20820240. Its totient is φ = 3387904.

The previous prime is 8641097. The next prime is 8641133. The reversal of 8641120 is 211468.

It is a junction number, because it is equal to n+sod(n) for n = 8641091 and 8641100.

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, 7971 + ... + 8989.

It is an arithmetic number, because the mean of its divisors is an integer number (433755).

Almost surely, 2^8641120 is an apocalyptic number.

8641120 is a gapful number since it is divisible by the number (80) 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 8641120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10410120).

8641120 is an abundant number, since it is smaller than the sum of its proper divisors (12179120).

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

8641120 is a wasteful number, since it uses less digits than its factorization.

8641120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 8641120 is about 2939.5782010350. The cubic root of 8641120 is about 205.2059797601.

Adding to 8641120 its reverse (211468), we get a palindrome (8852588).

The spelling of 8641120 in words is "eight million, six hundred forty-one thousand, one hundred twenty".