42530122007 has 2 divisors, whose sum is σ = 42530122008. Its totient is φ = 42530122006.

The previous prime is 42530122001. The next prime is 42530122021. The reversal of 42530122007 is 70022103524.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42530122007 is a prime.

It is a super-2 number, since 2×42530122007² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42530122001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21265061003 + 21265061004.

It is an arithmetic number, because the mean of its divisors is an integer number (21265061004).

Almost surely, 2^42530122007 is an apocalyptic number.

42530122007 is a deficient number, since it is larger than the sum of its proper divisors (1).

42530122007 is an equidigital number, since it uses as much as digits as its factorization.

42530122007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 26.

The spelling of 42530122007 in words is "forty-two billion, five hundred thirty million, one hundred twenty-two thousand, seven".