42126107 has 2 divisors, whose sum is σ = 42126108. Its totient is φ = 42126106.

The previous prime is 42126031. The next prime is 42126109. The reversal of 42126107 is 70162124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42126107 - 2⁸ = 42125851 is a prime.

Together with 42126109, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42126109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21063053 + 21063054.

It is an arithmetic number, because the mean of its divisors is an integer number (21063054).

Almost surely, 2^42126107 is an apocalyptic number.

42126107 is a deficient number, since it is larger than the sum of its proper divisors (1).

42126107 is an equidigital number, since it uses as much as digits as its factorization.

42126107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 42126107 is about 6490.4627724069. The cubic root of 42126107 is about 347.9502147259.

The spelling of 42126107 in words is "forty-two million, one hundred twenty-six thousand, one hundred seven".