120775645140 has 24 divisors (see below), whose sum is σ = 338171806560. Its totient is φ = 32206838688.

The previous prime is 120775645117. The next prime is 120775645181. The reversal of 120775645140 is 41546577021.

It is a junction number, because it is equal to n+sod(n) for n = 120775645092 and 120775645101.

It is a congruent number.

It is an unprimeable number.

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, 1006463650 + ... + 1006463769.

It is an arithmetic number, because the mean of its divisors is an integer number (14090491940).

Almost surely, 2^120775645140 is an apocalyptic number.

120775645140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120775645140 is an abundant number, since it is smaller than the sum of its proper divisors (217396161420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120775645140 is a wasteful number, since it uses less digits than its factorization.

120775645140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012927431 (or 2012927429 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 120775645140 in words is "one hundred twenty billion, seven hundred seventy-five million, six hundred forty-five thousand, one hundred forty".