727620701022121 has 8 divisors (see below), whose sum is σ = 728646203525760. Its totient is φ = 726595914905952.

The previous prime is 727620701022119. The next prime is 727620701022181. The reversal of 727620701022121 is 121220107026727.

727620701022121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 727620701022121 - 2¹ = 727620701022119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (727620701022101) 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, 177064060 + ... + 181126813.

It is an arithmetic number, because the mean of its divisors is an integer number (91080775440720).

Almost surely, 2^{727620701022121} is an apocalyptic number.

It is an amenable number.

727620701022121 is a deficient number, since it is larger than the sum of its proper divisors (1025502503639).

727620701022121 is a wasteful number, since it uses less digits than its factorization.

727620701022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358193735.

The product of its (nonzero) digits is 65856, while the sum is 40.

Adding to 727620701022121 its reverse (121220107026727), we get a palindrome (848840808048848).

The spelling of 727620701022121 in words is "seven hundred twenty-seven trillion, six hundred twenty billion, seven hundred one million, twenty-two thousand, one hundred twenty-one".