120816543 has 8 divisors (see below), whose sum is σ = 163029888. Its totient is φ = 79573784.

The previous prime is 120816529. The next prime is 120816547. The reversal of 120816543 is 345618021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120816543 - 2²⁵ = 87262111 is a prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 120816543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120816547) 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, 242355 + ... + 242852.

It is an arithmetic number, because the mean of its divisors is an integer number (20378736).

Almost surely, 2^120816543 is an apocalyptic number.

120816543 is a deficient number, since it is larger than the sum of its proper divisors (42213345).

120816543 is an equidigital number, since it uses as much as digits as its factorization.

120816543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485293.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 120816543 is about 10991.6578822305. The cubic root of 120816543 is about 494.3586469861.

The spelling of 120816543 in words is "one hundred twenty million, eight hundred sixteen thousand, five hundred forty-three".