120430242 has 12 divisors (see below), whose sum is σ = 260932230. Its totient is φ = 40143408.

The previous prime is 120430241. The next prime is 120430259. The reversal of 120430242 is 242034021.

It can be written as a sum of positive squares in only one way, i.e., 103612041 + 16818201 = 10179^2 + 4101^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6690569 = 120430242 / (1 + 2 + 0 + 4 + 3 + 0 + 2 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (120430241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3345267 + ... + 3345302.

Almost surely, 2^120430242 is an apocalyptic number.

120430242 is an abundant number, since it is smaller than the sum of its proper divisors (140501988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120430242 is a wasteful number, since it uses less digits than its factorization.

120430242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6690577 (or 6690574 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 120430242 is about 10974.0713502328. The cubic root of 120430242 is about 493.8311939967.

Adding to 120430242 its reverse (242034021), we get a palindrome (362464263).

The spelling of 120430242 in words is "one hundred twenty million, four hundred thirty thousand, two hundred forty-two".