127681695 has 12 divisors (see below), whose sum is σ = 221315016. Its totient is φ = 68096880.

The previous prime is 127681669. The next prime is 127681703. The reversal of 127681695 is 596186721.

It is not a de Polignac number, because 127681695 - 2¹⁴ = 127665311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 2837371 = 127681695 / (1 + 2 + 7 + 6 + 8 + 1 + 6 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 127681695.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1418641 + ... + 1418730.

It is an arithmetic number, because the mean of its divisors is an integer number (18442918).

Almost surely, 2^127681695 is an apocalyptic number.

127681695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

127681695 is a deficient number, since it is larger than the sum of its proper divisors (93633321).

127681695 is a wasteful number, since it uses less digits than its factorization.

127681695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837382 (or 2837379 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 127681695 is about 11299.6325161485. The cubic root of 127681695 is about 503.5503240633.

The spelling of 127681695 in words is "one hundred twenty-seven million, six hundred eighty-one thousand, six hundred ninety-five".