4142122 has 8 divisors (see below), whose sum is σ = 6245316. Its totient is φ = 2060352.

The previous prime is 4142119. The next prime is 4142129. The reversal of 4142122 is 2212414.

It can be written as a sum of positive squares in 2 ways, for example, as 4124961 + 17161 = 2031^2 + 131^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4142096 and 4142105.

It is not an unprimeable number, because it can be changed into a prime (4142129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4863 + ... + 5650.

Almost surely, 2^4142122 is an apocalyptic number.

4142122 is a deficient number, since it is larger than the sum of its proper divisors (2103194).

4142122 is a wasteful number, since it uses less digits than its factorization.

4142122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10712.

The product of its digits is 128, while the sum is 16.

The square root of 4142122 is about 2035.2203811873. The cubic root of 4142122 is about 160.5983067676.

Adding to 4142122 its reverse (2212414), we get a palindrome (6354536).

The spelling of 4142122 in words is "four million, one hundred forty-two thousand, one hundred twenty-two".