42146107 has 2 divisors, whose sum is σ = 42146108. Its totient is φ = 42146106.

The previous prime is 42146099. The next prime is 42146129. The reversal of 42146107 is 70164124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42146107 - 2³ = 42146099 is a prime.

It is not a weakly prime, because it can be changed into another prime (42146147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21073053 + 21073054.

It is an arithmetic number, because the mean of its divisors is an integer number (21073054).

Almost surely, 2^42146107 is an apocalyptic number.

42146107 is a deficient number, since it is larger than the sum of its proper divisors (1).

42146107 is an equidigital number, since it uses as much as digits as its factorization.

42146107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 42146107 is about 6492.0033117675. The cubic root of 42146107 is about 348.0052708719.

The spelling of 42146107 in words is "forty-two million, one hundred forty-six thousand, one hundred seven".