542124530 has 48 divisors (see below), whose sum is σ = 1035612864. Its totient is φ = 204297120.

The previous prime is 542124529. The next prime is 542124553. The reversal of 542124530 is 35421245.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 542124530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 949145 + ... + 949715.

It is an arithmetic number, because the mean of its divisors is an integer number (21575268).

Almost surely, 2^542124530 is an apocalyptic number.

542124530 is a deficient number, since it is larger than the sum of its proper divisors (493488334).

542124530 is a wasteful number, since it uses less digits than its factorization.

542124530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 542124530 is about 23283.5678107974. The cubic root of 542124530 is about 815.3918248420.

Adding to 542124530 its reverse (35421245), we get a palindrome (577545775).

The spelling of 542124530 in words is "five hundred forty-two million, one hundred twenty-four thousand, five hundred thirty".