120178 has 4 divisors (see below), whose sum is σ = 180270. Its totient is φ = 60088.

The previous prime is 120167. The next prime is 120181. The reversal of 120178 is 871021.

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., 64009 + 56169 = 253^2 + 237^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30043 + ... + 30046.

2¹²⁰¹⁷⁸ is an apocalyptic number.

120178 is a deficient number, since it is larger than the sum of its proper divisors (60092).

120178 is an equidigital number, since it uses as much as digits as its factorization.

120178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60091.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 120178 is about 346.6669871793. Note that the first 3 decimals coincide. The cubic root of 120178 is about 49.3486175352.

Adding to 120178 its reverse (871021), we get a palindrome (991199).

The spelling of 120178 in words is "one hundred twenty thousand, one hundred seventy-eight".