1305604101227 has 2 divisors, whose sum is σ = 1305604101228. Its totient is φ = 1305604101226.

The previous prime is 1305604101149. The next prime is 1305604101253. The reversal of 1305604101227 is 7221014065031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1305604101227 - 2¹⁶ = 1305604035691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1305604101193 and 1305604101202.

It is not a weakly prime, because it can be changed into another prime (1305604101257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652802050613 + 652802050614.

It is an arithmetic number, because the mean of its divisors is an integer number (652802050614).

Almost surely, 2^{1305604101227} is an apocalyptic number.

1305604101227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1305604101227 is an equidigital number, since it uses as much as digits as its factorization.

1305604101227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 1305604101227 its reverse (7221014065031), we get a palindrome (8526618166258).

The spelling of 1305604101227 in words is "one trillion, three hundred five billion, six hundred four million, one hundred one thousand, two hundred twenty-seven".