121298167 has 2 divisors, whose sum is σ = 121298168. Its totient is φ = 121298166.

The previous prime is 121298161. The next prime is 121298171. The reversal of 121298167 is 761892121.

It is a strong prime.

It is an emirp because it is prime and its reverse (761892121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121298167 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121298161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60649083 + 60649084.

It is an arithmetic number, because the mean of its divisors is an integer number (60649084).

Almost surely, 2^121298167 is an apocalyptic number.

121298167 is a deficient number, since it is larger than the sum of its proper divisors (1).

121298167 is an equidigital number, since it uses as much as digits as its factorization.

121298167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 37.

The square root of 121298167 is about 11013.5447064058. The cubic root of 121298167 is about 495.0146810597.

The spelling of 121298167 in words is "one hundred twenty-one million, two hundred ninety-eight thousand, one hundred sixty-seven".