7122180 has 96 divisors (see below), whose sum is σ = 22466304. Its totient is φ = 1672704.

The previous prime is 7122179. The next prime is 7122187. The reversal of 7122180 is 812217.

It is not an unprimeable number, because it can be changed into a prime (7122187) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17742 + ... + 18138.

It is an arithmetic number, because the mean of its divisors is an integer number (234024).

Almost surely, 2^7122180 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 7122180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11233152).

7122180 is an abundant number, since it is smaller than the sum of its proper divisors (15344124).

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

7122180 is a wasteful number, since it uses less digits than its factorization.

7122180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 7122180 is about 2668.7412763323. The cubic root of 7122180 is about 192.3996666099.

Adding to 7122180 its reverse (812217), we get a palindrome (7934397).

The spelling of 7122180 in words is "seven million, one hundred twenty-two thousand, one hundred eighty".