8561130 has 32 divisors (see below), whose sum is σ = 20706624. Its totient is φ = 2265216.

The previous prime is 8561117. The next prime is 8561131. The reversal of 8561130 is 311658.

It is a self number, because there is not a number n which added to its sum of digits gives 8561130.

It is not an unprimeable number, because it can be changed into a prime (8561131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3069 + ... + 5151.

It is an arithmetic number, because the mean of its divisors is an integer number (647082).

Almost surely, 2^8561130 is an apocalyptic number.

8561130 is an abundant number, since it is smaller than the sum of its proper divisors (12145494).

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

8561130 is a wasteful number, since it uses less digits than its factorization.

8561130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 8561130 is about 2925.9408743172. The cubic root of 8561130 is about 204.5708253154.

Adding to 8561130 its reverse (311658), we get a palindrome (8872788).

The spelling of 8561130 in words is "eight million, five hundred sixty-one thousand, one hundred thirty".