120343040 has 80 divisors (see below), whose sum is σ = 298675080. Its totient is φ = 46448640.

The previous prime is 120343033. The next prime is 120343043. The reversal of 120343040 is 40343021.

It can be written as a sum of positive squares in 4 ways, for example, as 109160704 + 11182336 = 10448^2 + 3344^2 .

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

It is not an unprimeable number, because it can be changed into a prime (120343043) 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, 73430 + ... + 75050.

Almost surely, 2^120343040 is an apocalyptic number.

120343040 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 120343040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149337540).

120343040 is an abundant number, since it is smaller than the sum of its proper divisors (178332040).

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

120343040 is an equidigital number, since it uses as much as digits as its factorization.

120343040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673 (or 1657 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 120343040 is about 10970.0975383084. The cubic root of 120343040 is about 493.7119729299.

Adding to 120343040 its reverse (40343021), we get a palindrome (160686061).

The spelling of 120343040 in words is "one hundred twenty million, three hundred forty-three thousand, forty".