121603063 has 2 divisors, whose sum is σ = 121603064. Its totient is φ = 121603062.

The previous prime is 121603043. The next prime is 121603087. The reversal of 121603063 is 360306121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121603063 - 2¹⁷ = 121471991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121603043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60801531 + 60801532.

It is an arithmetic number, because the mean of its divisors is an integer number (60801532).

Almost surely, 2^121603063 is an apocalyptic number.

121603063 is a deficient number, since it is larger than the sum of its proper divisors (1).

121603063 is an equidigital number, since it uses as much as digits as its factorization.

121603063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 121603063 is about 11027.3778841572. The cubic root of 121603063 is about 495.4290915939.

Adding to 121603063 its reverse (360306121), we get a palindrome (481909184).

The spelling of 121603063 in words is "one hundred twenty-one million, six hundred three thousand, sixty-three".