120442 has 12 divisors (see below), whose sum is σ = 210330. Its totient is φ = 51576.

The previous prime is 120431. The next prime is 120473. The reversal of 120442 is 244021.

120442 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in only one way, i.e., 67081 + 53361 = 259^2 + 231^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 517 + ... + 712.

2¹²⁰⁴⁴² is an apocalyptic number.

120442 is a deficient number, since it is larger than the sum of its proper divisors (89888).

120442 is a wasteful number, since it uses less digits than its factorization.

120442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245 (or 1238 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 120442 is about 347.0475471747. The cubic root of 120442 is about 49.3847264927.

Adding to 120442 its reverse (244021), we get a palindrome (364463).

The spelling of 120442 in words is "one hundred twenty thousand, four hundred forty-two", and thus it is an iban number.