524120142 has 32 divisors (see below), whose sum is σ = 1290143232. Its totient is φ = 138229344.

The previous prime is 524120141. The next prime is 524120189. The reversal of 524120142 is 241021425.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524120141) 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 15 ways as a sum of consecutive naturals, for example, 479418 + ... + 480509.

It is an arithmetic number, because the mean of its divisors is an integer number (40316976).

Almost surely, 2^524120142 is an apocalyptic number.

524120142 is an abundant number, since it is smaller than the sum of its proper divisors (766023090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

524120142 is a wasteful number, since it uses less digits than its factorization.

524120142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959952.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 524120142 is about 22893.6703479368. The cubic root of 524120142 is about 806.2634081299.

Adding to 524120142 its reverse (241021425), we get a palindrome (765141567).

The spelling of 524120142 in words is "five hundred twenty-four million, one hundred twenty thousand, one hundred forty-two".