42125159 has 2 divisors, whose sum is σ = 42125160. Its totient is φ = 42125158.

The previous prime is 42125137. The next prime is 42125173. The reversal of 42125159 is 95152124.

42125159 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 42125159 - 2¹⁶ = 42059623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42125119) 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 as a sum of consecutive naturals, namely, 21062579 + 21062580.

It is an arithmetic number, because the mean of its divisors is an integer number (21062580).

Almost surely, 2^42125159 is an apocalyptic number.

42125159 is a deficient number, since it is larger than the sum of its proper divisors (1).

42125159 is an equidigital number, since it uses as much as digits as its factorization.

42125159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 29.

The square root of 42125159 is about 6490.3897417644. The cubic root of 42125159 is about 347.9476046320.

The spelling of 42125159 in words is "forty-two million, one hundred twenty-five thousand, one hundred fifty-nine".