1220025322127 has 2 divisors, whose sum is σ = 1220025322128. Its totient is φ = 1220025322126.

The previous prime is 1220025322099. The next prime is 1220025322141. The reversal of 1220025322127 is 7212235200221.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7212235200221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1220025322127 - 2⁶ = 1220025322063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1220025322127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220025322147) 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, 610012661063 + 610012661064.

It is an arithmetic number, because the mean of its divisors is an integer number (610012661064).

Almost surely, 2^{1220025322127} is an apocalyptic number.

1220025322127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220025322127 is an equidigital number, since it uses as much as digits as its factorization.

1220025322127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The spelling of 1220025322127 in words is "one trillion, two hundred twenty billion, twenty-five million, three hundred twenty-two thousand, one hundred twenty-seven".