127329032401 has 4 divisors (see below), whose sum is σ = 132865077312. Its totient is φ = 121792987492.

The previous prime is 127329032393. The next prime is 127329032429. The reversal of 127329032401 is 104230923721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 127329032401 - 2³ = 127329032393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127329032431) 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, 2768022421 + ... + 2768022466.

It is an arithmetic number, because the mean of its divisors is an integer number (33216269328).

Almost surely, 2^127329032401 is an apocalyptic number.

It is an amenable number.

127329032401 is a deficient number, since it is larger than the sum of its proper divisors (5536044911).

127329032401 is an equidigital number, since it uses as much as digits as its factorization.

127329032401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5536044910.

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 127329032401 in words is "one hundred twenty-seven billion, three hundred twenty-nine million, thirty-two thousand, four hundred one".