42125227 has 2 divisors, whose sum is σ = 42125228. Its totient is φ = 42125226.

The previous prime is 42125221. The next prime is 42125267. The reversal of 42125227 is 72252124.

42125227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42125227 is a prime.

It is not a weakly prime, because it can be changed into another prime (42125221) 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, 21062613 + 21062614.

It is an arithmetic number, because the mean of its divisors is an integer number (21062614).

Almost surely, 2^42125227 is an apocalyptic number.

42125227 is a deficient number, since it is larger than the sum of its proper divisors (1).

42125227 is an equidigital number, since it uses as much as digits as its factorization.

42125227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2240, while the sum is 25.

The square root of 42125227 is about 6490.3949802766. The cubic root of 42125227 is about 347.9477918553.

The spelling of 42125227 in words is "forty-two million, one hundred twenty-five thousand, two hundred twenty-seven".