42096871 has 4 divisors (see below), whose sum is σ = 43075912. Its totient is φ = 41117832.

The previous prime is 42096863. The next prime is 42096917. The reversal of 42096871 is 17869024.

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 42096871 - 2³ = 42096863 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 42096871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42096671) 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, 489456 + ... + 489541.

It is an arithmetic number, because the mean of its divisors is an integer number (10768978).

Almost surely, 2^42096871 is an apocalyptic number.

42096871 is a deficient number, since it is larger than the sum of its proper divisors (979041).

42096871 is an equidigital number, since it uses as much as digits as its factorization.

42096871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979040.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 42096871 is about 6488.2101538098. The cubic root of 42096871 is about 347.8697022881.

The spelling of 42096871 in words is "forty-two million, ninety-six thousand, eight hundred seventy-one".