127065140661 has 8 divisors (see below), whose sum is σ = 169426404000. Its totient is φ = 84706985552.

The previous prime is 127065140633. The next prime is 127065140669. The reversal of 127065140661 is 166041560721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 127065140661 - 2⁶ = 127065140597 is a prime.

It is a super-2 number, since 2×127065140661² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127065140669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679935 + ... + 846428.

It is an arithmetic number, because the mean of its divisors is an integer number (21178300500).

Almost surely, 2^127065140661 is an apocalyptic number.

It is an amenable number.

127065140661 is a deficient number, since it is larger than the sum of its proper divisors (42361263339).

127065140661 is a wasteful number, since it uses less digits than its factorization.

127065140661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554115.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 127065140661 in words is "one hundred twenty-seven billion, sixty-five million, one hundred forty thousand, six hundred sixty-one".