120958448721 has 24 divisors (see below), whose sum is σ = 177308066880. Its totient is φ = 73293417120.

The previous prime is 120958448719. The next prime is 120958448759. The reversal of 120958448721 is 127844859021.

It is not a de Polignac number, because 120958448721 - 2¹ = 120958448719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120958448711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1934140 + ... + 1995698.

It is an arithmetic number, because the mean of its divisors is an integer number (7387836120).

Almost surely, 2^120958448721 is an apocalyptic number.

120958448721 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120958448721 is a deficient number, since it is larger than the sum of its proper divisors (56349618159).

120958448721 is a wasteful number, since it uses less digits than its factorization.

120958448721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66997 (or 66986 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 120958448721 in words is "one hundred twenty billion, nine hundred fifty-eight million, four hundred forty-eight thousand, seven hundred twenty-one".