120678205359 has 4 divisors (see below), whose sum is σ = 160904273816. Its totient is φ = 80452136904.

The previous prime is 120678205321. The next prime is 120678205387. The reversal of 120678205359 is 953502876021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 120678205359 - 2⁸ = 120678205103 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 (120678205159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20113034224 + ... + 20113034229.

It is an arithmetic number, because the mean of its divisors is an integer number (40226068454).

Almost surely, 2^120678205359 is an apocalyptic number.

120678205359 is a deficient number, since it is larger than the sum of its proper divisors (40226068457).

120678205359 is an equidigital number, since it uses as much as digits as its factorization.

120678205359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40226068456.

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 120678205359 in words is "one hundred twenty billion, six hundred seventy-eight million, two hundred five thousand, three hundred fifty-nine".