4142242 has 16 divisors (see below), whose sum is σ = 6725880. Its totient is φ = 1901952.

The previous prime is 4142227. The next prime is 4142267. The reversal of 4142242 is 2422414.

It can be written as a sum of positive squares in 4 ways, for example, as 2128681 + 2013561 = 1459^2 + 1419^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7884 + ... + 8392.

Almost surely, 2^4142242 is an apocalyptic number.

4142242 is the 1018-th decagonal number.

4142242 is a deficient number, since it is larger than the sum of its proper divisors (2583638).

4142242 is a wasteful number, since it uses less digits than its factorization.

4142242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837.

The product of its digits is 512, while the sum is 19.

The square root of 4142242 is about 2035.2498618106. The cubic root of 4142242 is about 160.5998576321.

Adding to 4142242 its reverse (2422414), we get a palindrome (6564656).

The spelling of 4142242 in words is "four million, one hundred forty-two thousand, two hundred forty-two".