121840063 has 2 divisors, whose sum is σ = 121840064. Its totient is φ = 121840062.

The previous prime is 121840009. The next prime is 121840067. The reversal of 121840063 is 360048121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121840063 - 2⁹ = 121839551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121840067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60920031 + 60920032.

It is an arithmetic number, because the mean of its divisors is an integer number (60920032).

Almost surely, 2^121840063 is an apocalyptic number.

121840063 is a deficient number, since it is larger than the sum of its proper divisors (1).

121840063 is an equidigital number, since it uses as much as digits as its factorization.

121840063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 121840063 is about 11038.1186349849. The cubic root of 121840063 is about 495.7507405557.

Adding to 121840063 its reverse (360048121), we get a palindrome (481888184).

The spelling of 121840063 in words is "one hundred twenty-one million, eight hundred forty thousand, sixty-three".