120234442 has 4 divisors (see below), whose sum is σ = 180351666. Its totient is φ = 60117220.

The previous prime is 120234437. The next prime is 120234449. The reversal of 120234442 is 244432021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 114939841 + 5294601 = 10721^2 + 2301^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (120234449) 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 as a sum of consecutive naturals, namely, 30058609 + ... + 30058612.

Almost surely, 2^120234442 is an apocalyptic number.

120234442 is a deficient number, since it is larger than the sum of its proper divisors (60117224).

120234442 is an equidigital number, since it uses as much as digits as its factorization.

120234442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60117223.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 120234442 is about 10965.1466930452. The cubic root of 120234442 is about 493.5634190716.

Adding to 120234442 its reverse (244432021), we get a palindrome (364666463).

The spelling of 120234442 in words is "one hundred twenty million, two hundred thirty-four thousand, four hundred forty-two".