120684809903 has 8 divisors (see below), whose sum is σ = 141653213472. Its totient is φ = 100648335456.

The previous prime is 120684809899. The next prime is 120684809923. The reversal of 120684809903 is 309908486021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120684809903 - 2² = 120684809899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120684809923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232982000 + ... + 232982517.

It is an arithmetic number, because the mean of its divisors is an integer number (17706651684).

Almost surely, 2^120684809903 is an apocalyptic number.

120684809903 is a deficient number, since it is larger than the sum of its proper divisors (20968403569).

120684809903 is an equidigital number, since it uses as much as digits as its factorization.

120684809903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465964561.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 120684809903 in words is "one hundred twenty billion, six hundred eighty-four million, eight hundred nine thousand, nine hundred three".