1181376671 has 2 divisors, whose sum is σ = 1181376672. Its totient is φ = 1181376670.

The previous prime is 1181376649. The next prime is 1181376689. The reversal of 1181376671 is 1766731811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1181376671 - 2⁶ = 1181376607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1181376611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 590688335 + 590688336.

It is an arithmetic number, because the mean of its divisors is an integer number (590688336).

Almost surely, 2^1181376671 is an apocalyptic number.

1181376671 is a deficient number, since it is larger than the sum of its proper divisors (1).

1181376671 is an equidigital number, since it uses as much as digits as its factorization.

1181376671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 41.

The square root of 1181376671 is about 34371.1604546602. The cubic root of 1181376671 is about 1057.1325942106.

The spelling of 1181376671 in words is "one billion, one hundred eighty-one million, three hundred seventy-six thousand, six hundred seventy-one".