42075127 has 2 divisors, whose sum is σ = 42075128. Its totient is φ = 42075126.

The previous prime is 42075109. The next prime is 42075133. The reversal of 42075127 is 72157024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42075127 - 2⁷ = 42074999 is a prime.

It is a super-2 number, since 2×42075127² = 3540632624132258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42075095 and 42075104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42075197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21037563 + 21037564.

It is an arithmetic number, because the mean of its divisors is an integer number (21037564).

Almost surely, 2^42075127 is an apocalyptic number.

42075127 is a deficient number, since it is larger than the sum of its proper divisors (1).

42075127 is an equidigital number, since it uses as much as digits as its factorization.

42075127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 42075127 is about 6486.5342826505. The cubic root of 42075127 is about 347.8097977446.

The spelling of 42075127 in words is "forty-two million, seventy-five thousand, one hundred twenty-seven".