42130007 has 4 divisors (see below), whose sum is σ = 42159936. Its totient is φ = 42100080.

The previous prime is 42129959. The next prime is 42130009. The reversal of 42130007 is 70003124.

It is a happy number.

42130007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42130007 - 2⁶ = 42129943 is a prime.

It is a Duffinian number.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12743 + ... + 15704.

It is an arithmetic number, because the mean of its divisors is an integer number (10539984).

Almost surely, 2^42130007 is an apocalyptic number.

42130007 is a deficient number, since it is larger than the sum of its proper divisors (29929).

42130007 is a wasteful number, since it uses less digits than its factorization.

42130007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29928.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 42130007 is about 6490.7632062801. The cubic root of 42130007 is about 347.9609520418.

The spelling of 42130007 in words is "forty-two million, one hundred thirty thousand, seven".