121967 has 2 divisors, whose sum is σ = 121968. Its totient is φ = 121966.

The previous prime is 121963. The next prime is 121993. The reversal of 121967 is 769121.

It is an a-pointer prime, because the next prime (121993) can be obtained adding 121967 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121967 - 2² = 121963 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 (121963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60983 + 60984.

It is an arithmetic number, because the mean of its divisors is an integer number (60984).

2¹²¹⁹⁶⁷ is an apocalyptic number.

121967 is a deficient number, since it is larger than the sum of its proper divisors (1).

121967 is an equidigital number, since it uses as much as digits as its factorization.

121967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 26.

The square root of 121967 is about 349.2377413740. The cubic root of 121967 is about 49.5922843965.

The spelling of 121967 in words is "one hundred twenty-one thousand, nine hundred sixty-seven".