42110771 has 4 divisors (see below), whose sum is σ = 42271152. Its totient is φ = 41950392.

The previous prime is 42110767. The next prime is 42110777. The reversal of 42110771 is 17701124.

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 42110771 - 2² = 42110767 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42110777) 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, 79796 + ... + 80321.

It is an arithmetic number, because the mean of its divisors is an integer number (10567788).

Almost surely, 2^42110771 is an apocalyptic number.

42110771 is a deficient number, since it is larger than the sum of its proper divisors (160381).

42110771 is a wasteful number, since it uses less digits than its factorization.

42110771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160380.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 42110771 is about 6489.2812390896. The cubic root of 42110771 is about 347.9079858679.

Adding to 42110771 its reverse (17701124), we get a palindrome (59811895).

The spelling of 42110771 in words is "forty-two million, one hundred ten thousand, seven hundred seventy-one".