120340320 has 48 divisors (see below), whose sum is σ = 379073520. Its totient is φ = 32090624.

The previous prime is 120340309. The next prime is 120340321. The reversal of 120340320 is 23043021.

It is a tau number, because it is divible by the number of its divisors (48).

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 120340320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120340321) 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, 124875 + ... + 125834.

It is an arithmetic number, because the mean of its divisors is an integer number (7897365).

Almost surely, 2^120340320 is an apocalyptic number.

120340320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120340320 is an abundant number, since it is smaller than the sum of its proper divisors (258733200).

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

120340320 is a wasteful number, since it uses less digits than its factorization.

120340320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250727 (or 250719 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 120340320 is about 10969.9735642343. The cubic root of 120340320 is about 493.7082532669.

Adding to 120340320 its reverse (23043021), we get a palindrome (143383341).

The spelling of 120340320 in words is "one hundred twenty million, three hundred forty thousand, three hundred twenty".