120918 has 16 divisors (see below), whose sum is σ = 276480. Its totient is φ = 34536.

The previous prime is 120917. The next prime is 120919. The reversal of 120918 is 819021.

It is an interprime number because it is at equal distance from previous prime (120917) and next prime (120919).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 120894 and 120903.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 120918.

It is not an unprimeable number, because it can be changed into a prime (120917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1398 + ... + 1481.

It is an arithmetic number, because the mean of its divisors is an integer number (17280).

2¹²⁰⁹¹⁸ is an apocalyptic number.

120918 is an abundant number, since it is smaller than the sum of its proper divisors (155562).

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

120918 is a wasteful number, since it uses less digits than its factorization.

120918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 120918 is about 347.7326559298. The cubic root of 120918 is about 49.4496989277.

Adding to 120918 its reverse (819021), we get a palindrome (939939).

The spelling of 120918 in words is "one hundred twenty thousand, nine hundred eighteen".