2142042 has 16 divisors (see below), whose sum is σ = 4896192. Its totient is φ = 612000.

The previous prime is 2142037. The next prime is 2142043. The reversal of 2142042 is 2402412.

2142042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2142043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25459 + ... + 25542.

It is an arithmetic number, because the mean of its divisors is an integer number (306012).

2^2142042 is an apocalyptic number.

2142042 is an abundant number, since it is smaller than the sum of its proper divisors (2754150).

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

2142042 is a wasteful number, since it uses less digits than its factorization.

2142042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51013.

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

The square root of 2142042 is about 1463.5716586488. The cubic root of 2142042 is about 128.9068494040.

Adding to 2142042 its reverse (2402412), we get a palindrome (4544454).

The spelling of 2142042 in words is "two million, one hundred forty-two thousand, forty-two".