121220963 has 2 divisors, whose sum is σ = 121220964. Its totient is φ = 121220962.

The previous prime is 121220941. The next prime is 121220993. The reversal of 121220963 is 369022121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121220963 - 2¹⁸ = 120958819 is a prime.

It is not a weakly prime, because it can be changed into another prime (121220903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60610481 + 60610482.

It is an arithmetic number, because the mean of its divisors is an integer number (60610482).

Almost surely, 2^121220963 is an apocalyptic number.

121220963 is a deficient number, since it is larger than the sum of its proper divisors (1).

121220963 is an equidigital number, since it uses as much as digits as its factorization.

121220963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 121220963 is about 11010.0391915742. The cubic root of 121220963 is about 494.9096362614.

The spelling of 121220963 in words is "one hundred twenty-one million, two hundred twenty thousand, nine hundred sixty-three".