2421142 has 8 divisors (see below), whose sum is σ = 3659832. Its totient is φ = 1201200.

The previous prime is 2421137. The next prime is 2421149. The reversal of 2421142 is 2411242.

2421142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421149) 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 3 ways as a sum of consecutive naturals, for example, 4359 + ... + 4882.

It is an arithmetic number, because the mean of its divisors is an integer number (457479).

2^2421142 is an apocalyptic number.

2421142 is a deficient number, since it is larger than the sum of its proper divisors (1238690).

2421142 is a wasteful number, since it uses less digits than its factorization.

2421142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9374.

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

The square root of 2421142 is about 1556.0019280194. The cubic root of 2421142 is about 134.2785843075.

Adding to 2421142 its reverse (2411242), we get a palindrome (4832384).

The spelling of 2421142 in words is "two million, four hundred twenty-one thousand, one hundred forty-two".