121851167 has 2 divisors, whose sum is σ = 121851168. Its totient is φ = 121851166.

The previous prime is 121851151. The next prime is 121851181. The reversal of 121851167 is 761158121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121851167 - 2⁴ = 121851151 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121811167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60925583 + 60925584.

It is an arithmetic number, because the mean of its divisors is an integer number (60925584).

Almost surely, 2^121851167 is an apocalyptic number.

121851167 is a deficient number, since it is larger than the sum of its proper divisors (1).

121851167 is an equidigital number, since it uses as much as digits as its factorization.

121851167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 32.

The square root of 121851167 is about 11038.6216077914. The cubic root of 121851167 is about 495.7658003230.

The spelling of 121851167 in words is "one hundred twenty-one million, eight hundred fifty-one thousand, one hundred sixty-seven".