120929280681 has 8 divisors (see below), whose sum is σ = 175897135584. Its totient is φ = 73290473120.

The previous prime is 120929280631. The next prime is 120929280701. The reversal of 120929280681 is 186082929021.

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 120929280681 - 2⁶ = 120929280617 is a prime.

It is a super-2 number, since 2×120929280681² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120929280681.

It is not an unprimeable number, because it can be changed into a prime (120929280631) 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 7 ways as a sum of consecutive naturals, for example, 1832261796 + ... + 1832261861.

It is an arithmetic number, because the mean of its divisors is an integer number (21987141948).

Almost surely, 2^120929280681 is an apocalyptic number.

120929280681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120929280681 is a deficient number, since it is larger than the sum of its proper divisors (54967854903).

120929280681 is a wasteful number, since it uses less digits than its factorization.

120929280681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664523671.

The product of its (nonzero) digits is 248832, while the sum is 48.

The spelling of 120929280681 in words is "one hundred twenty billion, nine hundred twenty-nine million, two hundred eighty thousand, six hundred eighty-one".