1220463568927 has 2 divisors, whose sum is σ = 1220463568928. Its totient is φ = 1220463568926.

The previous prime is 1220463568873. The next prime is 1220463568943. The reversal of 1220463568927 is 7298653640221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220463568927 - 2¹⁹ = 1220463044639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220463568127) 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, 610231784463 + 610231784464.

It is an arithmetic number, because the mean of its divisors is an integer number (610231784464).

It is a 1-persistent number, because it is pandigital, but 2⋅1220463568927 = 2440927137854 is not.

Almost surely, 2^{1220463568927} is an apocalyptic number.

1220463568927 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220463568927 is an equidigital number, since it uses as much as digits as its factorization.

1220463568927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 1220463568927 in words is "one trillion, two hundred twenty billion, four hundred sixty-three million, five hundred sixty-eight thousand, nine hundred twenty-seven".