502142 has 4 divisors (see below), whose sum is σ = 753216. Its totient is φ = 251070.

The previous prime is 502141. The next prime is 502171. The reversal of 502142 is 241205.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 502142.

It is not an unprimeable number, because it can be changed into a prime (502141) 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 as a sum of consecutive naturals, namely, 125534 + ... + 125537.

It is an arithmetic number, because the mean of its divisors is an integer number (188304).

2⁵⁰²¹⁴² is an apocalyptic number.

502142 is a deficient number, since it is larger than the sum of its proper divisors (251074).

502142 is a wasteful number, since it uses less digits than its factorization.

502142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251073.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 502142 is about 708.6197852163. The cubic root of 502142 is about 79.4832315675.

Adding to 502142 its reverse (241205), we get a palindrome (743347).

The spelling of 502142 in words is "five hundred two thousand, one hundred forty-two".