127378969485401 has 8 divisors (see below), whose sum is σ = 128027287650240. Its totient is φ = 126730668739248.

The previous prime is 127378969485329. The next prime is 127378969485413. The reversal of 127378969485401 is 104584969873721.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127378969485401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (127378969485461) 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, 10435610 + ... + 19069868.

It is an arithmetic number, because the mean of its divisors is an integer number (16003410956280).

It is a 1-persistent number, because it is pandigital, but 2⋅127378969485401 = 254757938970802 is not.

Almost surely, 2^{127378969485401} is an apocalyptic number.

It is an amenable number.

127378969485401 is a deficient number, since it is larger than the sum of its proper divisors (648318164839).

127378969485401 is an equidigital number, since it uses as much as digits as its factorization.

127378969485401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8709343.

The product of its (nonzero) digits is 731566080, while the sum is 74.

The spelling of 127378969485401 in words is "one hundred twenty-seven trillion, three hundred seventy-eight billion, nine hundred sixty-nine million, four hundred eighty-five thousand, four hundred one".