4252142122 has 8 divisors (see below), whose sum is σ = 6437822976. Its totient is φ = 2106201132.

The previous prime is 4252142101. The next prime is 4252142281. The reversal of 4252142122 is 2212412524.

It is a happy number.

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

It is an unprimeable number.

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, 9934698 + ... + 9935125.

It is an arithmetic number, because the mean of its divisors is an integer number (804727872).

Almost surely, 2^4252142122 is an apocalyptic number.

4252142122 is a deficient number, since it is larger than the sum of its proper divisors (2185680854).

4252142122 is a wasteful number, since it uses less digits than its factorization.

4252142122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19869932.

The product of its digits is 2560, while the sum is 25.

The square root of 4252142122 is about 65208.4513080935. The cubic root of 4252142122 is about 1620.0779978196.

Adding to 4252142122 its reverse (2212412524), we get a palindrome (6464554646).

The spelling of 4252142122 in words is "four billion, two hundred fifty-two million, one hundred forty-two thousand, one hundred twenty-two".