543120131 has 4 divisors (see below), whose sum is σ = 575068392. Its totient is φ = 511171872.

The previous prime is 543120113. The next prime is 543120139. The reversal of 543120131 is 131021345.

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 543120131 - 2¹⁰ = 543119107 is a prime.

It is a super-2 number, since 2×543120131² = 589958953394914322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (543120139) 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, 15974105 + ... + 15974138.

It is an arithmetic number, because the mean of its divisors is an integer number (143767098).

Almost surely, 2^543120131 is an apocalyptic number.

543120131 is a deficient number, since it is larger than the sum of its proper divisors (31948261).

543120131 is a wasteful number, since it uses less digits than its factorization.

543120131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31948260.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 543120131 is about 23304.9379102370. The cubic root of 543120131 is about 815.8906699247.

Adding to 543120131 its reverse (131021345), we get a palindrome (674141476).

The spelling of 543120131 in words is "five hundred forty-three million, one hundred twenty thousand, one hundred thirty-one".