42143000125 has 8 divisors (see below), whose sum is σ = 52594464312. Its totient is φ = 33714400000.

The previous prime is 42143000117. The next prime is 42143000167. The reversal of 42143000125 is 52100034124.

It can be written as a sum of positive squares in 4 ways, for example, as 10925057529 + 31217942596 = 104523^2 + 176686^2 .

It is not a de Polignac number, because 42143000125 - 2³ = 42143000117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42143000096 and 42143000105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168571876 + ... + 168572125.

It is an arithmetic number, because the mean of its divisors is an integer number (6574308039).

Almost surely, 2^42143000125 is an apocalyptic number.

It is an amenable number.

42143000125 is a deficient number, since it is larger than the sum of its proper divisors (10451464187).

42143000125 is an equidigital number, since it uses as much as digits as its factorization.

42143000125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337144016 (or 337144006 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 42143000125 its reverse (52100034124), we get a palindrome (94243034249).

The spelling of 42143000125 in words is "forty-two billion, one hundred forty-three million, one hundred twenty-five", and thus it is an aban number.