4042122 has 32 divisors (see below), whose sum is σ = 9313152. Its totient is φ = 1145664.

The previous prime is 4042111. The next prime is 4042153. The reversal of 4042122 is 2212404.

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6288 + ... + 6900.

It is an arithmetic number, because the mean of its divisors is an integer number (291036).

Almost surely, 2^4042122 is an apocalyptic number.

4042122 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4042122 is an abundant number, since it is smaller than the sum of its proper divisors (5271030).

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

4042122 is a wasteful number, since it uses less digits than its factorization.

4042122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 4042122 is about 2010.5029221565. The cubic root of 4042122 is about 159.2953649058.

Adding to 4042122 its reverse (2212404), we get a palindrome (6254526).

The spelling of 4042122 in words is "four million, forty-two thousand, one hundred twenty-two".