120342255 has 32 divisors (see below), whose sum is σ = 211196160. Its totient is φ = 58030080.

The previous prime is 120342253. The next prime is 120342259. The reversal of 120342255 is 552243021.

It is not a de Polignac number, because 120342255 - 2¹ = 120342253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120342253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29956 + ... + 33734.

It is an arithmetic number, because the mean of its divisors is an integer number (6599880).

Almost surely, 2^120342255 is an apocalyptic number.

120342255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120342255 is a deficient number, since it is larger than the sum of its proper divisors (90853905).

120342255 is a wasteful number, since it uses less digits than its factorization.

120342255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3991.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 120342255 is about 10970.0617591698. The cubic root of 120342255 is about 493.7108994300.

Adding to 120342255 its reverse (552243021), we get a palindrome (672585276).

The spelling of 120342255 in words is "one hundred twenty million, three hundred forty-two thousand, two hundred fifty-five".