127620134471 has 2 divisors, whose sum is σ = 127620134472. Its totient is φ = 127620134470.

The previous prime is 127620134437. The next prime is 127620134479. The reversal of 127620134471 is 174431026721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127620134471 - 2⁶ = 127620134407 is a prime.

It is a super-3 number, since 3×127620134471³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127620134479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63810067235 + 63810067236.

It is an arithmetic number, because the mean of its divisors is an integer number (63810067236).

Almost surely, 2^127620134471 is an apocalyptic number.

127620134471 is a deficient number, since it is larger than the sum of its proper divisors (1).

127620134471 is an equidigital number, since it uses as much as digits as its factorization.

127620134471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 38.

The spelling of 127620134471 in words is "one hundred twenty-seven billion, six hundred twenty million, one hundred thirty-four thousand, four hundred seventy-one".