120931992727 has 32 divisors (see below), whose sum is σ = 157659264000. Its totient is φ = 90017146368.

The previous prime is 120931992697. The next prime is 120931992739. The reversal of 120931992727 is 727299139021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120931992727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120931992427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4098774 + ... + 4128172.

It is an arithmetic number, because the mean of its divisors is an integer number (4926852000).

Almost surely, 2^120931992727 is an apocalyptic number.

120931992727 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

120931992727 is a deficient number, since it is larger than the sum of its proper divisors (36727271273).

120931992727 is a wasteful number, since it uses less digits than its factorization.

120931992727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32095.

The product of its (nonzero) digits is 857304, while the sum is 52.

The spelling of 120931992727 in words is "one hundred twenty billion, nine hundred thirty-one million, nine hundred ninety-two thousand, seven hundred twenty-seven".