4122 has 12 divisors (see below), whose sum is σ = 8970. Its totient is φ = 1368.

The previous prime is 4111. The next prime is 4127. The reversal of 4122 is 2214.

It can be written as a sum of positive squares in only one way, i.e., 2601 + 1521 = 51^2 + 39^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 4122.

It is not an unprimeable number, because it can be changed into a prime (4127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97 + ... + 132.

4122 is an abundant number, since it is smaller than the sum of its proper divisors (4848).

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

4122 is a wasteful number, since it uses less digits than its factorization.

4122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 234 counting only the distinct ones).

The product of its digits is 16, while the sum is 9.

The square root of 4122 is about 64.2028036771. The cubic root of 4122 is about 16.0337827867.

Adding to 4122 its reverse (2214), we get a palindrome (6336).

It can be divided in two parts, 412 and 2, that added together give a palindrome (414).

The spelling of 4122 in words is "four thousand, one hundred twenty-two", and thus it is an iban number.