4125431143 has 4 divisors (see below), whose sum is σ = 4236929320. Its totient is φ = 4013932968.

The previous prime is 4125431071. The next prime is 4125431147. The reversal of 4125431143 is 3411345214.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4125431143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4125431147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55749033 + ... + 55749106.

It is an arithmetic number, because the mean of its divisors is an integer number (1059232330).

Almost surely, 2^4125431143 is an apocalyptic number.

4125431143 is a deficient number, since it is larger than the sum of its proper divisors (111498177).

4125431143 is a wasteful number, since it uses less digits than its factorization.

4125431143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111498176.

The product of its digits is 5760, while the sum is 28.

The square root of 4125431143 is about 64229.5192493296. The cubic root of 4125431143 is about 1603.8230380402.

Adding to 4125431143 its reverse (3411345214), we get a palindrome (7536776357).

The spelling of 4125431143 in words is "four billion, one hundred twenty-five million, four hundred thirty-one thousand, one hundred forty-three".