127893840601 has 4 divisors (see below), whose sum is σ = 127992449332. Its totient is φ = 127795231872.

The previous prime is 127893840589. The next prime is 127893840617. The reversal of 127893840601 is 106048398721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 113485439376 + 14408401225 = 336876^2 + 120035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127893840601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127893840671) 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, 49302420 + ... + 49305013.

It is an arithmetic number, because the mean of its divisors is an integer number (31998112333).

Almost surely, 2^127893840601 is an apocalyptic number.

It is an amenable number.

127893840601 is a deficient number, since it is larger than the sum of its proper divisors (98608731).

127893840601 is an equidigital number, since it uses as much as digits as its factorization.

127893840601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98608730.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 127893840601 in words is "one hundred twenty-seven billion, eight hundred ninety-three million, eight hundred forty thousand, six hundred one".