120278 has 4 divisors (see below), whose sum is σ = 180420. Its totient is φ = 60138.

The previous prime is 120277. The next prime is 120283. The reversal of 120278 is 872021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 872021 = 113 ⋅7717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120277) by changing a digit.

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 as a sum of consecutive naturals, namely, 30068 + ... + 30071.

It is an arithmetic number, because the mean of its divisors is an integer number (45105).

2¹²⁰²⁷⁸ is an apocalyptic number.

120278 is a deficient number, since it is larger than the sum of its proper divisors (60142).

120278 is an equidigital number, since it uses as much as digits as its factorization.

120278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60141.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 120278 is about 346.8111878242. The cubic root of 120278 is about 49.3623013864.

Adding to 120278 its reverse (872021), we get a palindrome (992299).

The spelling of 120278 in words is "one hundred twenty thousand, two hundred seventy-eight".