120305242 has 8 divisors (see below), whose sum is σ = 184297536. Its totient is φ = 58872732.

The previous prime is 120305221. The next prime is 120305257. The reversal of 120305242 is 242503021.

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

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, 639828 + ... + 640015.

It is an arithmetic number, because the mean of its divisors is an integer number (23037192).

Almost surely, 2^120305242 is an apocalyptic number.

120305242 is a deficient number, since it is larger than the sum of its proper divisors (63992294).

120305242 is a wasteful number, since it uses less digits than its factorization.

120305242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279892.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 120305242 is about 10968.3746289047. The cubic root of 120305242 is about 493.6602782654.

Adding to 120305242 its reverse (242503021), we get a palindrome (362808263).

The spelling of 120305242 in words is "one hundred twenty million, three hundred five thousand, two hundred forty-two".