120423120 has 80 divisors (see below), whose sum is σ = 378934080. Its totient is φ = 31629312.

The previous prime is 120423113. The next prime is 120423133. The reversal of 120423120 is 21324021.

It is a tau number, because it is divible by the number of its divisors (80).

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 120423120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12336 + ... + 19824.

It is an arithmetic number, because the mean of its divisors is an integer number (4736676).

Almost surely, 2^120423120 is an apocalyptic number.

120423120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120423120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189467040).

120423120 is an abundant number, since it is smaller than the sum of its proper divisors (258510960).

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

120423120 is a wasteful number, since it uses less digits than its factorization.

120423120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7572 (or 7566 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 120423120 is about 10973.7468532858. The cubic root of 120423120 is about 493.8214590801.

120423120 divided by its sum of digits (15) gives a palindrome (8028208).

Adding to 120423120 its reverse (21324021), we get a palindrome (141747141).

Subtracting from 120423120 its reverse (21324021), we obtain a palindrome (99099099).

The spelling of 120423120 in words is "one hundred twenty million, four hundred twenty-three thousand, one hundred twenty".