1198806712127 has 2 divisors, whose sum is σ = 1198806712128. Its totient is φ = 1198806712126.

The previous prime is 1198806712121. The next prime is 1198806712151. The reversal of 1198806712127 is 7212176088911.

It is a weak prime.

It is an emirp because it is prime and its reverse (7212176088911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1198806712127 - 2¹⁴ = 1198806695743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1198806712121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599403356063 + 599403356064.

It is an arithmetic number, because the mean of its divisors is an integer number (599403356064).

Almost surely, 2^{1198806712127} is an apocalyptic number.

1198806712127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1198806712127 is an equidigital number, since it uses as much as digits as its factorization.

1198806712127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 53.

The spelling of 1198806712127 in words is "one trillion, one hundred ninety-eight billion, eight hundred six million, seven hundred twelve thousand, one hundred twenty-seven".