671134127 has 2 divisors, whose sum is σ = 671134128. Its totient is φ = 671134126.

The previous prime is 671134111. The next prime is 671134141. The reversal of 671134127 is 721431176.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 671134127 - 2⁴ = 671134111 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 671134093 and 671134102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671134427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335567063 + 335567064.

It is an arithmetic number, because the mean of its divisors is an integer number (335567064).

Almost surely, 2^671134127 is an apocalyptic number.

671134127 is a deficient number, since it is larger than the sum of its proper divisors (1).

671134127 is an equidigital number, since it uses as much as digits as its factorization.

671134127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 32.

The square root of 671134127 is about 25906.2565223152. The cubic root of 671134127 is about 875.5274651547.

The spelling of 671134127 in words is "six hundred seventy-one million, one hundred thirty-four thousand, one hundred twenty-seven".