120342355 has 8 divisors (see below), whose sum is σ = 165040992. Its totient is φ = 82520448.

The previous prime is 120342353. The next prime is 120342377. The reversal of 120342355 is 553243021.

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

It is a cyclic number.

It is not a de Polignac number, because 120342355 - 2¹ = 120342353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120342353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1719142 + ... + 1719211.

It is an arithmetic number, because the mean of its divisors is an integer number (20630124).

Almost surely, 2^120342355 is an apocalyptic number.

120342355 is a deficient number, since it is larger than the sum of its proper divisors (44698637).

120342355 is an equidigital number, since it uses as much as digits as its factorization.

120342355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3438365.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 120342355 is about 10970.0663170284. The cubic root of 120342355 is about 493.7110361818.

Adding to 120342355 its reverse (553243021), we get a palindrome (673585376).

It can be divided in two parts, 1203423 and 55, that multiplied together give a triangular number (66188265 = T₁₁₅₀₅).

The spelling of 120342355 in words is "one hundred twenty million, three hundred forty-two thousand, three hundred fifty-five".