120782750 has 64 divisors (see below), whose sum is σ = 249080832. Its totient is φ = 43492000.

The previous prime is 120782747. The next prime is 120782797. The reversal of 120782750 is 57287021.

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 31 ways as a sum of consecutive naturals, for example, 459119 + ... + 459381.

It is an arithmetic number, because the mean of its divisors is an integer number (3891888).

Almost surely, 2^120782750 is an apocalyptic number.

120782750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120782750 is an abundant number, since it is smaller than the sum of its proper divisors (128298082).

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

120782750 is a wasteful number, since it uses less digits than its factorization.

120782750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 120782750 is about 10990.1205634879. The cubic root of 120782750 is about 494.3125511475.

The spelling of 120782750 in words is "one hundred twenty million, seven hundred eighty-two thousand, seven hundred fifty".