285942127 has 4 divisors (see below), whose sum is σ = 286997536. Its totient is φ = 284886720.

The previous prime is 285942113. The next prime is 285942133. The reversal of 285942127 is 721249582.

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 285942127 - 2¹¹ = 285940079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 285942127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285942157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527298 + ... + 527839.

It is an arithmetic number, because the mean of its divisors is an integer number (71749384).

Almost surely, 2^285942127 is an apocalyptic number.

285942127 is a deficient number, since it is larger than the sum of its proper divisors (1055409).

285942127 is a wasteful number, since it uses less digits than its factorization.

285942127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055408.

The product of its digits is 80640, while the sum is 40.

The square root of 285942127 is about 16909.8233876052. The cubic root of 285942127 is about 658.8087841136.

The spelling of 285942127 in words is "two hundred eighty-five million, nine hundred forty-two thousand, one hundred twenty-seven".