120757542782 has 12 divisors (see below), whose sum is σ = 183344993880. Its totient is φ = 59651309508.

The previous prime is 120757542779. The next prime is 120757542797. The reversal of 120757542782 is 287245757021.

It is a self number, because there is not a number n which added to its sum of digits gives 120757542782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4368482 + ... + 4396037.

It is an arithmetic number, because the mean of its divisors is an integer number (15278749490).

Almost surely, 2^120757542782 is an apocalyptic number.

120757542782 is a deficient number, since it is larger than the sum of its proper divisors (62587451098).

120757542782 is an frugal number, since it uses more digits than its factorization.

120757542782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8764687 (or 8764604 counting only the distinct ones).

The product of its (nonzero) digits is 2195200, while the sum is 50.

The spelling of 120757542782 in words is "one hundred twenty billion, seven hundred fifty-seven million, five hundred forty-two thousand, seven hundred eighty-two".