512142 has 16 divisors (see below), whose sum is σ = 1084752. Its totient is φ = 160640.

The previous prime is 512137. The next prime is 512147. The reversal of 512142 is 241215.

It is an interprime number because it is at equal distance from previous prime (512137) and next prime (512147).

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 512142.

It is not an unprimeable number, because it can be changed into a prime (512147) by changing a digit.

512142 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2409 + ... + 2612.

It is an arithmetic number, because the mean of its divisors is an integer number (67797).

2⁵¹²¹⁴² is an apocalyptic number.

512142 is an abundant number, since it is smaller than the sum of its proper divisors (572610).

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

512142 is a wasteful number, since it uses less digits than its factorization.

512142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5043.

The product of its digits is 80, while the sum is 15.

The square root of 512142 is about 715.6409714375. The cubic root of 512142 is about 80.0073951497.

Adding to 512142 its reverse (241215), we get a palindrome (753357).

The spelling of 512142 in words is "five hundred twelve thousand, one hundred forty-two".