120000000543 has 4 divisors (see below), whose sum is σ = 160000000728. Its totient is φ = 80000000360.

The previous prime is 120000000493. The next prime is 120000000559. The reversal of 120000000543 is 345000000021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345000000021 = 3 ⋅115000000007.

It is a cyclic number.

It is not a de Polignac number, because 120000000543 - 2¹⁰ = 119999999519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000000643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20000000088 + ... + 20000000093.

It is an arithmetic number, because the mean of its divisors is an integer number (40000000182).

Almost surely, 2^120000000543 is an apocalyptic number.

120000000543 is a deficient number, since it is larger than the sum of its proper divisors (40000000185).

120000000543 is an equidigital number, since it uses as much as digits as its factorization.

120000000543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40000000184.

The product of its (nonzero) digits is 120, while the sum is 15.

Adding to 120000000543 its reverse (345000000021), we get a palindrome (465000000564).

The spelling of 120000000543 in words is "one hundred twenty billion, five hundred forty-three", and thus it is an aban number.