4121251142 has 8 divisors (see below), whose sum is σ = 6348954576. Its totient is φ = 2004932952.

The previous prime is 4121251111. The next prime is 4121251157. The reversal of 4121251142 is 2411521214.

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

It is a super-4 number, since 4×4121251142⁴ (a number of 40 digits) contains 4444 as substring.

It is a congruent number.

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, 27846218 + ... + 27846365.

It is an arithmetic number, because the mean of its divisors is an integer number (793619322).

Almost surely, 2^4121251142 is an apocalyptic number.

4121251142 is a deficient number, since it is larger than the sum of its proper divisors (2227703434).

4121251142 is a wasteful number, since it uses less digits than its factorization.

4121251142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55692622.

The product of its digits is 640, while the sum is 23.

The square root of 4121251142 is about 64196.9714394690. The cubic root of 4121251142 is about 1603.2811756937.

Adding to 4121251142 its reverse (2411521214), we get a palindrome (6532772356).

The spelling of 4121251142 in words is "four billion, one hundred twenty-one million, two hundred fifty-one thousand, one hundred forty-two".