120878 has 8 divisors (see below), whose sum is σ = 190920. Its totient is φ = 57240.

The previous prime is 120877. The next prime is 120889. The reversal of 120878 is 878021.

120878 is nontrivially palindromic in base 13.

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

It is a super-2 number, since 2×120878² = 29222981768, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1553 + ... + 1628.

It is an arithmetic number, because the mean of its divisors is an integer number (23865).

2¹²⁰⁸⁷⁸ is an apocalyptic number.

120878 is a deficient number, since it is larger than the sum of its proper divisors (70042).

120878 is a wasteful number, since it uses less digits than its factorization.

120878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 120878 is about 347.6751357230. The cubic root of 120878 is about 49.4442456285. Note that the first 3 decimals are identical.

Adding to 120878 its reverse (878021), we get a palindrome (998899).

The spelling of 120878 in words is "one hundred twenty thousand, eight hundred seventy-eight".