1170555671 has 2 divisors, whose sum is σ = 1170555672. Its totient is φ = 1170555670.

The previous prime is 1170555653. The next prime is 1170555703. The reversal of 1170555671 is 1765550711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1170555671 - 2²⁶ = 1103446807 is a prime.

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 (1170552671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585277835 + 585277836.

It is an arithmetic number, because the mean of its divisors is an integer number (585277836).

Almost surely, 2^1170555671 is an apocalyptic number.

1170555671 is a deficient number, since it is larger than the sum of its proper divisors (1).

1170555671 is an equidigital number, since it uses as much as digits as its factorization.

1170555671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36750, while the sum is 38.

The square root of 1170555671 is about 34213.3843838928. The cubic root of 1170555671 is about 1053.8950332165.

It can be divided in two parts, 11705 and 55671, that added together give a palindrome (67376).

The spelling of 1170555671 in words is "one billion, one hundred seventy million, five hundred fifty-five thousand, six hundred seventy-one".