120078 has 24 divisors (see below), whose sum is σ = 297648. Its totient is φ = 34272.

The previous prime is 120077. The next prime is 120079. The reversal of 120078 is 870021.

It is an interprime number because it is at equal distance from previous prime (120077) and next prime (120079).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 120078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 351 + ... + 602.

It is an arithmetic number, because the mean of its divisors is an integer number (12402).

2¹²⁰⁰⁷⁸ is an apocalyptic number.

120078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

120078 is an abundant number, since it is smaller than the sum of its proper divisors (177570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120078 is a wasteful number, since it uses less digits than its factorization.

120078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 120078 is about 346.5227265274. The cubic root of 120078 is about 49.3349260909.

Adding to 120078 its reverse (870021), we get a palindrome (990099).

The spelling of 120078 in words is "one hundred twenty thousand, seventy-eight".