120666782 has 16 divisors (see below), whose sum is σ = 191881872. Its totient is φ = 56714880.

The previous prime is 120666769. The next prime is 120666797. The reversal of 120666782 is 287666021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35468 + ... + 38720.

It is an arithmetic number, because the mean of its divisors is an integer number (11992617).

Almost surely, 2^120666782 is an apocalyptic number.

120666782 is a deficient number, since it is larger than the sum of its proper divisors (71215090).

120666782 is a wasteful number, since it uses less digits than its factorization.

120666782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4363.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 120666782 is about 10984.8432851816. The cubic root of 120666782 is about 494.1542978811.

The spelling of 120666782 in words is "one hundred twenty million, six hundred sixty-six thousand, seven hundred eighty-two".