42003122387 has 2 divisors, whose sum is σ = 42003122388. Its totient is φ = 42003122386.

The previous prime is 42003122363. The next prime is 42003122393. The reversal of 42003122387 is 78322130024.

42003122387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42003122387 - 2²⁶ = 41936013523 is a prime.

It is not a weakly prime, because it can be changed into another prime (42003022387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21001561193 + 21001561194.

It is an arithmetic number, because the mean of its divisors is an integer number (21001561194).

Almost surely, 2^42003122387 is an apocalyptic number.

42003122387 is a deficient number, since it is larger than the sum of its proper divisors (1).

42003122387 is an equidigital number, since it uses as much as digits as its factorization.

42003122387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 42003122387 in words is "forty-two billion, three million, one hundred twenty-two thousand, three hundred eighty-seven".