127715213147 has 2 divisors, whose sum is σ = 127715213148. Its totient is φ = 127715213146.

The previous prime is 127715213123. The next prime is 127715213173. The reversal of 127715213147 is 741312517721.

It is a weak prime.

It is an emirp because it is prime and its reverse (741312517721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127715213147 - 2⁶ = 127715213083 is a prime.

It is a super-2 number, since 2×127715213147² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (127715213117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63857606573 + 63857606574.

It is an arithmetic number, because the mean of its divisors is an integer number (63857606574).

Almost surely, 2^127715213147 is an apocalyptic number.

127715213147 is a deficient number, since it is larger than the sum of its proper divisors (1).

127715213147 is an equidigital number, since it uses as much as digits as its factorization.

127715213147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82320, while the sum is 41.

The spelling of 127715213147 in words is "one hundred twenty-seven billion, seven hundred fifteen million, two hundred thirteen thousand, one hundred forty-seven".