120435543 has 6 divisors (see below), whose sum is σ = 173962464. Its totient is φ = 80290356.

The previous prime is 120435541. The next prime is 120435551. The reversal of 120435543 is 345534021.

It is not a de Polignac number, because 120435543 - 2¹ = 120435541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120435541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6690855 + ... + 6690872.

It is an arithmetic number, because the mean of its divisors is an integer number (28993744).

Almost surely, 2^120435543 is an apocalyptic number.

120435543 is a deficient number, since it is larger than the sum of its proper divisors (53526921).

120435543 is a wasteful number, since it uses less digits than its factorization.

120435543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13381733 (or 13381730 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 120435543 is about 10974.3128714284. The cubic root of 120435543 is about 493.8384395764.

Adding to 120435543 its reverse (345534021), we get a palindrome (465969564).

The spelling of 120435543 in words is "one hundred twenty million, four hundred thirty-five thousand, five hundred forty-three".