42130603125 has 144 divisors (see below), whose sum is σ = 83302324560. Its totient is φ = 20390400000.

The previous prime is 42130603111. The next prime is 42130603127. The reversal of 42130603125 is 52130603124.

42130603125 is a `hidden beast` number, since 4 + 2 + 1 + 30 + 603 + 1 + 25 = 666.

It can be written as a sum of positive squares in 24 ways, for example, as 17881573284 + 24249029841 = 133722^2 + 155721^2 .

It is not a de Polignac number, because 42130603125 - 2⁶ = 42130603061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42130603127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 22302181 + ... + 22304069.

It is an arithmetic number, because the mean of its divisors is an integer number (578488365).

Almost surely, 2^42130603125 is an apocalyptic number.

42130603125 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42130603125 is a deficient number, since it is larger than the sum of its proper divisors (41171721435).

42130603125 is a wasteful number, since it uses less digits than its factorization.

42130603125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994 (or 1971 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Subtracting 42130603125 from its reverse (52130603124), we obtain a palindrome (9999999999).

The spelling of 42130603125 in words is "forty-two billion, one hundred thirty million, six hundred three thousand, one hundred twenty-five".