4321128242 has 16 divisors (see below), whose sum is σ = 6501244032. Its totient is φ = 2154057360.

The previous prime is 4321128239. The next prime is 4321128247. The reversal of 4321128242 is 2428211234.

It is not an unprimeable number, because it can be changed into a prime (4321128247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1204892 + ... + 1208472.

It is an arithmetic number, because the mean of its divisors is an integer number (406327752).

Almost surely, 2^4321128242 is an apocalyptic number.

4321128242 is a deficient number, since it is larger than the sum of its proper divisors (2180115790).

4321128242 is a wasteful number, since it uses less digits than its factorization.

4321128242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5233.

The product of its digits is 6144, while the sum is 29.

The square root of 4321128242 is about 65735.2891679956. The cubic root of 4321128242 is about 1628.7923409472.

Adding to 4321128242 its reverse (2428211234), we get a palindrome (6749339476).

The spelling of 4321128242 in words is "four billion, three hundred twenty-one million, one hundred twenty-eight thousand, two hundred forty-two".