42873111 has 16 divisors (see below), whose sum is σ = 63948000. Its totient is φ = 28387584.

The previous prime is 42873109. The next prime is 42873113. The reversal of 42873111 is 11137824.

It is an interprime number because it is at equal distance from previous prime (42873109) and next prime (42873113).

It is not a de Polignac number, because 42873111 - 2¹ = 42873109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42873113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1306 + ... + 9351.

It is an arithmetic number, because the mean of its divisors is an integer number (3996750).

Almost surely, 2^42873111 is an apocalyptic number.

42873111 is a deficient number, since it is larger than the sum of its proper divisors (21074889).

42873111 is a wasteful number, since it uses less digits than its factorization.

42873111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10815 (or 10809 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 42873111 is about 6547.7561805553. The cubic root of 42873111 is about 349.9948597885.

The spelling of 42873111 in words is "forty-two million, eight hundred seventy-three thousand, one hundred eleven".