42711127 has 2 divisors, whose sum is σ = 42711128. Its totient is φ = 42711126.

The previous prime is 42711121. The next prime is 42711131. The reversal of 42711127 is 72111724.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42711127 is a prime.

It is a super-2 number, since 2×42711127² = 3648480739220258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42711121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21355563 + 21355564.

It is an arithmetic number, because the mean of its divisors is an integer number (21355564).

Almost surely, 2^42711127 is an apocalyptic number.

42711127 is a deficient number, since it is larger than the sum of its proper divisors (1).

42711127 is an equidigital number, since it uses as much as digits as its factorization.

42711127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 784, while the sum is 25.

The square root of 42711127 is about 6535.3750466213. The cubic root of 42711127 is about 349.5535177559.

The spelling of 42711127 in words is "forty-two million, seven hundred eleven thousand, one hundred twenty-seven".