1225036820027 has 2 divisors, whose sum is σ = 1225036820028. Its totient is φ = 1225036820026.

The previous prime is 1225036819891. The next prime is 1225036820053. The reversal of 1225036820027 is 7200286305221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1225036820027 - 2²⁸ = 1224768384571 is a prime.

It is not a weakly prime, because it can be changed into another prime (1225036820057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612518410013 + 612518410014.

It is an arithmetic number, because the mean of its divisors is an integer number (612518410014).

Almost surely, 2^{1225036820027} is an apocalyptic number.

1225036820027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225036820027 is an equidigital number, since it uses as much as digits as its factorization.

1225036820027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 1225036820027 in words is "one trillion, two hundred twenty-five billion, thirty-six million, eight hundred twenty thousand, twenty-seven".