120543240 has 32 divisors (see below), whose sum is σ = 361630080. Its totient is φ = 32144832.

The previous prime is 120543229. The next prime is 120543257. The reversal of 120543240 is 42345021.

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, 502144 + ... + 502383.

It is an arithmetic number, because the mean of its divisors is an integer number (11300940).

Almost surely, 2^120543240 is an apocalyptic number.

120543240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120543240 is an abundant number, since it is smaller than the sum of its proper divisors (241086840).

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

120543240 is a wasteful number, since it uses less digits than its factorization.

120543240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004541 (or 1004537 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 120543240 is about 10979.2185514271. The cubic root of 120543240 is about 493.9855973334.

Adding to 120543240 its reverse (42345021), we get a palindrome (162888261).

The spelling of 120543240 in words is "one hundred twenty million, five hundred forty-three thousand, two hundred forty".