120102442 has 8 divisors (see below), whose sum is σ = 180200196. Its totient is φ = 60035712.

The previous prime is 120102431. The next prime is 120102449. The reversal of 120102442 is 244201021.

It can be written as a sum of positive squares in 2 ways, for example, as 119880601 + 221841 = 10949^2 + 471^2 .

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

It is not an unprimeable number, because it can be changed into a prime (120102449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10888 + ... + 18940.

Almost surely, 2^120102442 is an apocalyptic number.

120102442 is a deficient number, since it is larger than the sum of its proper divisors (60097754).

120102442 is an equidigital number, since it uses as much as digits as its factorization.

120102442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15512.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 120102442 is about 10959.1259687988. The cubic root of 120102442 is about 493.3827325543.

Adding to 120102442 its reverse (244201021), we get a palindrome (364303463).

The spelling of 120102442 in words is "one hundred twenty million, one hundred two thousand, four hundred forty-two".