4122180 has 36 divisors (see below), whose sum is σ = 12504492. Its totient is φ = 1099200.

The previous prime is 4122179. The next prime is 4122187. The reversal of 4122180 is 812214.

It can be written as a sum of positive squares in 2 ways, for example, as 3069504 + 1052676 = 1752^2 + 1026^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (4122187) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11271 + ... + 11630.

It is an arithmetic number, because the mean of its divisors is an integer number (347347).

Almost surely, 2^4122180 is an apocalyptic number.

It is an amenable number.

4122180 is an abundant number, since it is smaller than the sum of its proper divisors (8382312).

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

4122180 is a wasteful number, since it uses less digits than its factorization.

4122180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22916 (or 22911 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 4122180 is about 2030.3152464580. The cubic root of 4122180 is about 160.3401617167.

Adding to 4122180 its reverse (812214), we get a palindrome (4934394).

The spelling of 4122180 in words is "four million, one hundred twenty-two thousand, one hundred eighty".