42857111 has 12 divisors (see below), whose sum is σ = 48208776. Its totient is φ = 38050320.

The previous prime is 42857093. The next prime is 42857147. The reversal of 42857111 is 11175824.

It is not a de Polignac number, because 42857111 - 2⁶ = 42857047 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42857011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1085 + ... + 9321.

It is an arithmetic number, because the mean of its divisors is an integer number (4017398).

Almost surely, 2^42857111 is an apocalyptic number.

42857111 is a deficient number, since it is larger than the sum of its proper divisors (5351665).

42857111 is a wasteful number, since it uses less digits than its factorization.

42857111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8302 (or 8291 counting only the distinct ones).

The product of its digits is 2240, while the sum is 29.

The square root of 42857111 is about 6546.5342739498. The cubic root of 42857111 is about 349.9513156774.

The spelling of 42857111 in words is "forty-two million, eight hundred fifty-seven thousand, one hundred eleven".