42107127 has 4 divisors (see below), whose sum is σ = 56142840. Its totient is φ = 28071416.

The previous prime is 42107111. The next prime is 42107129. The reversal of 42107127 is 72170124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42107127 - 2⁴ = 42107111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42107097 and 42107106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42107129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7017852 + ... + 7017857.

It is an arithmetic number, because the mean of its divisors is an integer number (14035710).

Almost surely, 2^42107127 is an apocalyptic number.

42107127 is a deficient number, since it is larger than the sum of its proper divisors (14035713).

42107127 is a wasteful number, since it uses less digits than its factorization.

42107127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14035712.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 42107127 is about 6489.0004623208. Note that the first 3 decimals coincide. The cubic root of 42107127 is about 347.8979503256.

The spelling of 42107127 in words is "forty-two million, one hundred seven thousand, one hundred twenty-seven".