167126987 has 2 divisors, whose sum is σ = 167126988. Its totient is φ = 167126986.

The previous prime is 167126957. The next prime is 167126989. The reversal of 167126987 is 789621761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 167126987 - 2⁶ = 167126923 is a prime.

Together with 167126989, 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 (167126989) 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, 83563493 + 83563494.

It is an arithmetic number, because the mean of its divisors is an integer number (83563494).

Almost surely, 2^167126987 is an apocalyptic number.

167126987 is a deficient number, since it is larger than the sum of its proper divisors (1).

167126987 is an equidigital number, since it uses as much as digits as its factorization.

167126987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 47.

The square root of 167126987 is about 12927.7603242016. The cubic root of 167126987 is about 550.8273905066.

The spelling of 167126987 in words is "one hundred sixty-seven million, one hundred twenty-six thousand, nine hundred eighty-seven".