1171872467 has 2 divisors, whose sum is σ = 1171872468. Its totient is φ = 1171872466.

The previous prime is 1171872451. The next prime is 1171872469. The reversal of 1171872467 is 7642781711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1171872467 - 2⁴ = 1171872451 is a prime.

Together with 1171872469, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1171872469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585936233 + 585936234.

It is an arithmetic number, because the mean of its divisors is an integer number (585936234).

Almost surely, 2^1171872467 is an apocalyptic number.

1171872467 is a deficient number, since it is larger than the sum of its proper divisors (1).

1171872467 is an equidigital number, since it uses as much as digits as its factorization.

1171872467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131712, while the sum is 44.

The square root of 1171872467 is about 34232.6228472199. The cubic root of 1171872467 is about 1054.2900720124.

The spelling of 1171872467 in words is "one billion, one hundred seventy-one million, eight hundred seventy-two thousand, four hundred sixty-seven".