121660367 has 2 divisors, whose sum is σ = 121660368. Its totient is φ = 121660366.

The previous prime is 121660351. The next prime is 121660369. The reversal of 121660367 is 763066121.

It is a strong prime.

It is an emirp because it is prime and its reverse (763066121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121660367 - 2⁴ = 121660351 is a prime.

Together with 121660369, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121660369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60830183 + 60830184.

It is an arithmetic number, because the mean of its divisors is an integer number (60830184).

Almost surely, 2^121660367 is an apocalyptic number.

121660367 is a deficient number, since it is larger than the sum of its proper divisors (1).

121660367 is an equidigital number, since it uses as much as digits as its factorization.

121660367 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 121660367 is about 11029.9758385955. The cubic root of 121660367 is about 495.5069010658.

The spelling of 121660367 in words is "one hundred twenty-one million, six hundred sixty thousand, three hundred sixty-seven".