120320540 has 24 divisors (see below), whose sum is σ = 265972560. Its totient is φ = 45595008.

The previous prime is 120320513. The next prime is 120320573. The reversal of 120320540 is 45023021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157937 + ... + 158696.

It is an arithmetic number, because the mean of its divisors is an integer number (11082190).

Almost surely, 2^120320540 is an apocalyptic number.

120320540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120320540 is an abundant number, since it is smaller than the sum of its proper divisors (145652020).

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

120320540 is a wasteful number, since it uses less digits than its factorization.

120320540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316661 (or 316659 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 120320540 is about 10969.0719753314. The cubic root of 120320540 is about 493.6812019723.

Adding to 120320540 its reverse (45023021), we get a palindrome (165343561).

The spelling of 120320540 in words is "one hundred twenty million, three hundred twenty thousand, five hundred forty".