121320967 has 2 divisors, whose sum is σ = 121320968. Its totient is φ = 121320966.

The previous prime is 121320937. The next prime is 121320977. The reversal of 121320967 is 769023121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121320967 - 2¹⁵ = 121288199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121320917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60660483 + 60660484.

It is an arithmetic number, because the mean of its divisors is an integer number (60660484).

Almost surely, 2^121320967 is an apocalyptic number.

121320967 is a deficient number, since it is larger than the sum of its proper divisors (1).

121320967 is an equidigital number, since it uses as much as digits as its factorization.

121320967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 121320967 is about 11014.5797468628. The cubic root of 121320967 is about 495.0456945199.

The spelling of 121320967 in words is "one hundred twenty-one million, three hundred twenty thousand, nine hundred sixty-seven".