120839908306 has 32 divisors (see below), whose sum is σ = 205632725760. Its totient is φ = 52796779776.

The previous prime is 120839908303. The next prime is 120839908349. The reversal of 120839908306 is 603809938021.

It is a self number, because there is not a number n which added to its sum of digits gives 120839908306.

It is not an unprimeable number, because it can be changed into a prime (120839908303) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 563370 + ... + 747706.

It is an arithmetic number, because the mean of its divisors is an integer number (6426022680).

Almost surely, 2^120839908306 is an apocalyptic number.

120839908306 is a deficient number, since it is larger than the sum of its proper divisors (84792817454).

120839908306 is a wasteful number, since it uses less digits than its factorization.

120839908306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185698.

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 120839908306 in words is "one hundred twenty billion, eight hundred thirty-nine million, nine hundred eight thousand, three hundred six".