121213063 has 2 divisors, whose sum is σ = 121213064. Its totient is φ = 121213062.

The previous prime is 121213061. The next prime is 121213129. The reversal of 121213063 is 360312121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121213063 - 2¹ = 121213061 is a prime.

Together with 121213061, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121213063.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121213061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60606531 + 60606532.

It is an arithmetic number, because the mean of its divisors is an integer number (60606532).

Almost surely, 2^121213063 is an apocalyptic number.

121213063 is a deficient number, since it is larger than the sum of its proper divisors (1).

121213063 is an equidigital number, since it uses as much as digits as its factorization.

121213063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 121213063 is about 11009.6804222466. The cubic root of 121213063 is about 494.8988849002.

Adding to 121213063 its reverse (360312121), we get a palindrome (481525184).

The spelling of 121213063 in words is "one hundred twenty-one million, two hundred thirteen thousand, sixty-three".