1427750128927 has 2 divisors, whose sum is σ = 1427750128928. Its totient is φ = 1427750128926.

The previous prime is 1427750128859. The next prime is 1427750128967. The reversal of 1427750128927 is 7298210577241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1427750128927 - 2¹⁵ = 1427750096159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1427750128967) 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, 713875064463 + 713875064464.

It is an arithmetic number, because the mean of its divisors is an integer number (713875064464).

Almost surely, 2^{1427750128927} is an apocalyptic number.

1427750128927 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427750128927 is an equidigital number, since it uses as much as digits as its factorization.

1427750128927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3951360, while the sum is 55.

The spelling of 1427750128927 in words is "one trillion, four hundred twenty-seven billion, seven hundred fifty million, one hundred twenty-eight thousand, nine hundred twenty-seven".