125225342143 has 16 divisors (see below), whose sum is σ = 138508220160. Its totient is φ = 113205020280.

The previous prime is 125225342129. The next prime is 125225342161. The reversal of 125225342143 is 341243522521.

It is a de Polignac number, because none of the positive numbers 2^k-125225342143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125225342099 and 125225342108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125225372143) 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 15 ways as a sum of consecutive naturals, for example, 24555 + ... + 501052.

It is an arithmetic number, because the mean of its divisors is an integer number (8656763760).

Almost surely, 2^125225342143 is an apocalyptic number.

125225342143 is a deficient number, since it is larger than the sum of its proper divisors (13282878017).

125225342143 is an equidigital number, since it uses as much as digits as its factorization.

125225342143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525819 (or 525797 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

Adding to 125225342143 its reverse (341243522521), we get a palindrome (466468864664).

The spelling of 125225342143 in words is "one hundred twenty-five billion, two hundred twenty-five million, three hundred forty-two thousand, one hundred forty-three".