120632543 has 4 divisors (see below), whose sum is σ = 123892920. Its totient is φ = 117372168.

The previous prime is 120632531. The next prime is 120632569. The reversal of 120632543 is 345236021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120632543 - 2²² = 116438239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120632513) 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, 1630133 + ... + 1630206.

It is an arithmetic number, because the mean of its divisors is an integer number (30973230).

Almost surely, 2^120632543 is an apocalyptic number.

120632543 is a deficient number, since it is larger than the sum of its proper divisors (3260377).

120632543 is an equidigital number, since it uses as much as digits as its factorization.

120632543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260376.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 120632543 is about 10983.2847090477. The cubic root of 120632543 is about 494.1075549712.

Adding to 120632543 its reverse (345236021), we get a palindrome (465868564).

The spelling of 120632543 in words is "one hundred twenty million, six hundred thirty-two thousand, five hundred forty-three".