120721210064761 has 8 divisors (see below), whose sum is σ = 120810291848064. Its totient is φ = 120632147010480.

The previous prime is 120721210064753. The next prime is 120721210064837. The reversal of 120721210064761 is 167460012127021.

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 120721210064761 - 2³ = 120721210064753 is a prime.

It is a super-2 number, since 2×120721210064761² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120721210064731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8226976 + ... + 17581966.

It is an arithmetic number, because the mean of its divisors is an integer number (15101286481008).

Almost surely, 2^{120721210064761} is an apocalyptic number.

It is an amenable number.

120721210064761 is a deficient number, since it is larger than the sum of its proper divisors (89081783303).

120721210064761 is an equidigital number, since it uses as much as digits as its factorization.

120721210064761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9364511.

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 120721210064761 in words is "one hundred twenty trillion, seven hundred twenty-one billion, two hundred ten million, sixty-four thousand, seven hundred sixty-one".