42385127 has 4 divisors (see below), whose sum is σ = 42403560. Its totient is φ = 42366696.

The previous prime is 42385081. The next prime is 42385129. The reversal of 42385127 is 72158324.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42385127 is a prime.

It is a super-2 number, since 2×42385127² = 3592997981612258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42385093 and 42385102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42385129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5177 + ... + 10562.

It is an arithmetic number, because the mean of its divisors is an integer number (10600890).

Almost surely, 2^42385127 is an apocalyptic number.

42385127 is a deficient number, since it is larger than the sum of its proper divisors (18433).

42385127 is a wasteful number, since it uses less digits than its factorization.

42385127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18432.

The product of its digits is 13440, while the sum is 32.

The square root of 42385127 is about 6510.3860868615. The cubic root of 42385127 is about 348.6619030401.

The spelling of 42385127 in words is "forty-two million, three hundred eighty-five thousand, one hundred twenty-seven".