120688055 has 4 divisors (see below), whose sum is σ = 144825672. Its totient is φ = 96550440.

The previous prime is 120688027. The next prime is 120688067. The reversal of 120688055 is 550886021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550886021 = 7 ⋅78698003.

It is a de Polignac number, because none of the positive numbers 2^k-120688055 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12068801 + ... + 12068810.

It is an arithmetic number, because the mean of its divisors is an integer number (36206418).

Almost surely, 2^120688055 is an apocalyptic number.

120688055 is a deficient number, since it is larger than the sum of its proper divisors (24137617).

120688055 is an equidigital number, since it uses as much as digits as its factorization.

120688055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24137616.

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 120688055 is about 10985.8115312434. The cubic root of 120688055 is about 494.1833352199.

The spelling of 120688055 in words is "one hundred twenty million, six hundred eighty-eight thousand, fifty-five".