42130436125 has 16 divisors (see below), whose sum is σ = 55346091840. Its totient is φ = 31930434000.

The previous prime is 42130436123. The next prime is 42130436141. The reversal of 42130436125 is 52163403124.

It is not a de Polignac number, because 42130436125 - 2¹ = 42130436123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42130436123) 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 15 ways as a sum of consecutive naturals, for example, 8867191 + ... + 8871940.

It is an arithmetic number, because the mean of its divisors is an integer number (3459130740).

Almost surely, 2^42130436125 is an apocalyptic number.

It is an amenable number.

42130436125 is a deficient number, since it is larger than the sum of its proper divisors (13215655715).

42130436125 is a wasteful number, since it uses less digits than its factorization.

42130436125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17739165 (or 17739155 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 42130436125 its reverse (52163403124), we get a palindrome (94293839249).

The spelling of 42130436125 in words is "forty-two billion, one hundred thirty million, four hundred thirty-six thousand, one hundred twenty-five".