1171461671 has 2 divisors, whose sum is σ = 1171461672. Its totient is φ = 1171461670.

The previous prime is 1171461659. The next prime is 1171461677. The reversal of 1171461671 is 1761641711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1171461671 - 2¹⁸ = 1171199527 is a prime.

It is a super-2 number, since 2×1171461671² = 2744644893244224482, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1171461677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585730835 + 585730836.

It is an arithmetic number, because the mean of its divisors is an integer number (585730836).

Almost surely, 2^1171461671 is an apocalyptic number.

1171461671 is a deficient number, since it is larger than the sum of its proper divisors (1).

1171461671 is an equidigital number, since it uses as much as digits as its factorization.

1171461671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056, while the sum is 35.

The square root of 1171461671 is about 34226.6222551978. The cubic root of 1171461671 is about 1054.1668649874.

The spelling of 1171461671 in words is "one billion, one hundred seventy-one million, four hundred sixty-one thousand, six hundred seventy-one".