42130005 has 8 divisors (see below), whose sum is σ = 67408032. Its totient is φ = 22469328.

The previous prime is 42129959. The next prime is 42130009. The reversal of 42130005 is 50003124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42130005 - 2⁷ = 42129877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 2808667 = 42130005 / (4 + 2 + 1 + 3 + 0 + 0 + 0 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42130009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1404319 + ... + 1404348.

It is an arithmetic number, because the mean of its divisors is an integer number (8426004).

Almost surely, 2^42130005 is an apocalyptic number.

It is an amenable number.

42130005 is a deficient number, since it is larger than the sum of its proper divisors (25278027).

42130005 is a wasteful number, since it uses less digits than its factorization.

42130005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808675.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 42130005 is about 6490.7630522150. The cubic root of 42130005 is about 347.9609465357.

Adding to 42130005 its reverse (50003124), we get a palindrome (92133129).

The spelling of 42130005 in words is "forty-two million, one hundred thirty thousand, five".