2142242041 has 4 divisors (see below), whose sum is σ = 2150387712. Its totient is φ = 2134096372.

The previous prime is 2142242027. The next prime is 2142242051. The reversal of 2142242041 is 1402422412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2142242041 - 2¹¹ = 2142239993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142242051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4072441 + ... + 4072966.

It is an arithmetic number, because the mean of its divisors is an integer number (537596928).

Almost surely, 2^2142242041 is an apocalyptic number.

It is an amenable number.

2142242041 is a deficient number, since it is larger than the sum of its proper divisors (8145671).

2142242041 is an equidigital number, since it uses as much as digits as its factorization.

2142242041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8145670.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2142242041 is about 46284.3606523845. The cubic root of 2142242041 is about 1289.1086206302.

Adding to 2142242041 its reverse (1402422412), we get a palindrome (3544664453).

The spelling of 2142242041 in words is "two billion, one hundred forty-two million, two hundred forty-two thousand, forty-one".