120312242 has 8 divisors (see below), whose sum is σ = 186691500. Its totient is φ = 58081744.

The previous prime is 120312239. The next prime is 120312259. The reversal of 120312242 is 242213021.

It can be written as a sum of positive squares in 2 ways, for example, as 112126921 + 8185321 = 10589^2 + 2861^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 120312242.

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, 1037117 + ... + 1037232.

Almost surely, 2^120312242 is an apocalyptic number.

120312242 is a deficient number, since it is larger than the sum of its proper divisors (66379258).

120312242 is a wasteful number, since it uses less digits than its factorization.

120312242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074380.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 120312242 is about 10968.6937235024. The cubic root of 120312242 is about 493.6698526748.

Adding to 120312242 its reverse (242213021), we get a palindrome (362525263).

The spelling of 120312242 in words is "one hundred twenty million, three hundred twelve thousand, two hundred forty-two".