912120 has 64 divisors (see below), whose sum is σ = 2989440. Its totient is φ = 220800.

The previous prime is 912103. The next prime is 912167. The reversal of 912120 is 21219.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 912120.

It is a congruent number.

It is an unprimeable number.

912120 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 975 + ... + 1665.

It is an arithmetic number, because the mean of its divisors is an integer number (46710).

2⁹¹²¹²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 912120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1494720).

912120 is an abundant number, since it is smaller than the sum of its proper divisors (2077320).

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

912120 is a wasteful number, since it uses less digits than its factorization.

912120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 912120 is about 955.0497369247. The cubic root of 912120 is about 96.9804048702.

Adding to 912120 its reverse (21219), we get a palindrome (933339).

It can be divided in two parts, 91 and 2120, that added together give a triangular number (2211 = T₆₆).

The spelling of 912120 in words is "nine hundred twelve thousand, one hundred twenty".