127108491047 has 4 divisors (see below), whose sum is σ = 127132954296. Its totient is φ = 127084027800.

The previous prime is 127108491043. The next prime is 127108491053. The reversal of 127108491047 is 740194801721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740194801721 = 5009 ⋅147772969.

It is a cyclic number.

It is not a de Polignac number, because 127108491047 - 2² = 127108491043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 127108490989 and 127108491007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127108491043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12223829 + ... + 12234222.

It is an arithmetic number, because the mean of its divisors is an integer number (31783238574).

Almost surely, 2^127108491047 is an apocalyptic number.

127108491047 is a deficient number, since it is larger than the sum of its proper divisors (24463249).

127108491047 is an equidigital number, since it uses as much as digits as its factorization.

127108491047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24463248.

The product of its (nonzero) digits is 112896, while the sum is 44.

The spelling of 127108491047 in words is "one hundred twenty-seven billion, one hundred eight million, four hundred ninety-one thousand, forty-seven".