543454121 has 16 divisors (see below), whose sum is σ = 631233024. Its totient is φ = 458244864.

The previous prime is 543454111. The next prime is 543454127. The reversal of 543454121 is 121454345.

It is a de Polignac number, because none of the positive numbers 2^k-543454121 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (543454127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235445 + ... + 237741.

It is an arithmetic number, because the mean of its divisors is an integer number (39452064).

Almost surely, 2^543454121 is an apocalyptic number.

It is an amenable number.

543454121 is a deficient number, since it is larger than the sum of its proper divisors (87778903).

543454121 is a wasteful number, since it uses less digits than its factorization.

543454121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2840.

The product of its digits is 9600, while the sum is 29.

The square root of 543454121 is about 23312.1024577364. The cubic root of 543454121 is about 816.0578787802.

The spelling of 543454121 in words is "five hundred forty-three million, four hundred fifty-four thousand, one hundred twenty-one".