120072730053647 has 16 divisors (see below), whose sum is σ = 137394780610560. Its totient is φ = 102792932528832.

The previous prime is 120072730053641. The next prime is 120072730053667. The reversal of 120072730053647 is 746350037270021.

It is not a de Polignac number, because 120072730053647 - 2¹⁰ = 120072730052623 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 (120072730053641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25472354 + ... + 29815872.

It is an arithmetic number, because the mean of its divisors is an integer number (8587173788160).

Almost surely, 2^{120072730053647} is an apocalyptic number.

120072730053647 is a deficient number, since it is larger than the sum of its proper divisors (17322050556913).

120072730053647 is a wasteful number, since it uses less digits than its factorization.

120072730053647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4348382.

The product of its (nonzero) digits is 1481760, while the sum is 47.

The spelling of 120072730053647 in words is "one hundred twenty trillion, seventy-two billion, seven hundred thirty million, fifty-three thousand, six hundred forty-seven".