1320720701501 has 8 divisors (see below), whose sum is σ = 1342443840000. Its totient is φ = 1298999885040.

The previous prime is 1320720701483. The next prime is 1320720701537. The reversal of 1320720701501 is 1051070270231.

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 1320720701501 - 2²² = 1320716507197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320720701101) 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, 585500 + ... + 1727498.

It is an arithmetic number, because the mean of its divisors is an integer number (167805480000).

Almost surely, 2^{1320720701501} is an apocalyptic number.

It is an amenable number.

1320720701501 is a deficient number, since it is larger than the sum of its proper divisors (21723138499).

1320720701501 is a wasteful number, since it uses less digits than its factorization.

1320720701501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161019.

The product of its (nonzero) digits is 2940, while the sum is 29.

Adding to 1320720701501 its reverse (1051070270231), we get a palindrome (2371790971732).

The spelling of 1320720701501 in words is "one trillion, three hundred twenty billion, seven hundred twenty million, seven hundred one thousand, five hundred one".