42859127 has 4 divisors (see below), whose sum is σ = 43252440. Its totient is φ = 42465816.

The previous prime is 42859111. The next prime is 42859133. The reversal of 42859127 is 72195824.

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 42859127 - 2⁴ = 42859111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42859147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196493 + ... + 196710.

It is an arithmetic number, because the mean of its divisors is an integer number (10813110).

Almost surely, 2^42859127 is an apocalyptic number.

42859127 is a deficient number, since it is larger than the sum of its proper divisors (393313).

42859127 is a wasteful number, since it uses less digits than its factorization.

42859127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393312.

The product of its digits is 40320, while the sum is 38.

The square root of 42859127 is about 6546.6882467397. The cubic root of 42859127 is about 349.9568028321.

The spelling of 42859127 in words is "forty-two million, eight hundred fifty-nine thousand, one hundred twenty-seven".