120243055 has 4 divisors (see below), whose sum is σ = 144291672. Its totient is φ = 96194440.

The previous prime is 120243031. The next prime is 120243107. The reversal of 120243055 is 550342021.

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

It is not a de Polignac number, because 120243055 - 2⁹ = 120242543 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, 12024301 + ... + 12024310.

It is an arithmetic number, because the mean of its divisors is an integer number (36072918).

Almost surely, 2^120243055 is an apocalyptic number.

120243055 is a deficient number, since it is larger than the sum of its proper divisors (24048617).

120243055 is an equidigital number, since it uses as much as digits as its factorization.

120243055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24048616.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 120243055 is about 10965.5394304156. The cubic root of 120243055 is about 493.5752042699.

Adding to 120243055 its reverse (550342021), we get a palindrome (670585076).

The spelling of 120243055 in words is "one hundred twenty million, two hundred forty-three thousand, fifty-five".