1171307671 has 2 divisors, whose sum is σ = 1171307672. Its totient is φ = 1171307670.

The previous prime is 1171307629. The next prime is 1171307693. The reversal of 1171307671 is 1767031711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1171307671 - 2²¹ = 1169210519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1171307771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585653835 + 585653836.

It is an arithmetic number, because the mean of its divisors is an integer number (585653836).

Almost surely, 2^1171307671 is an apocalyptic number.

1171307671 is a deficient number, since it is larger than the sum of its proper divisors (1).

1171307671 is an equidigital number, since it uses as much as digits as its factorization.

1171307671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6174, while the sum is 34.

The square root of 1171307671 is about 34224.3724705070. The cubic root of 1171307671 is about 1054.1206694764.

The spelling of 1171307671 in words is "one billion, one hundred seventy-one million, three hundred seven thousand, six hundred seventy-one".