120688845 has 8 divisors (see below), whose sum is σ = 193102176. Its totient is φ = 64367376.

The previous prime is 120688829. The next prime is 120688849. The reversal of 120688845 is 548886021.

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

It is not a de Polignac number, because 120688845 - 2⁴ = 120688829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120688797 and 120688806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120688849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4022947 + ... + 4022976.

It is an arithmetic number, because the mean of its divisors is an integer number (24137772).

Almost surely, 2^120688845 is an apocalyptic number.

120688845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120688845 is a deficient number, since it is larger than the sum of its proper divisors (72413331).

120688845 is an equidigital number, since it uses as much as digits as its factorization.

120688845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8045931.

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 120688845 is about 10985.8474866530. The cubic root of 120688845 is about 494.1844134928.

The spelling of 120688845 in words is "one hundred twenty million, six hundred eighty-eight thousand, eight hundred forty-five".