4142520 has 96 divisors (see below), whose sum is σ = 13871520. Its totient is φ = 1071360.

The previous prime is 4142519. The next prime is 4142521. The reversal of 4142520 is 252414.

4142520 is a `hidden beast` number, since 4 + 142 + 520 = 666.

It is an interprime number because it is at equal distance from previous prime (4142519) and next prime (4142521).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 4142493 and 4142502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4142521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13165 + ... + 13475.

It is an arithmetic number, because the mean of its divisors is an integer number (144495).

Almost surely, 2^4142520 is an apocalyptic number.

4142520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4142520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6935760).

4142520 is an abundant number, since it is smaller than the sum of its proper divisors (9729000).

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

4142520 is a wasteful number, since it uses less digits than its factorization.

4142520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 4142520 is about 2035.3181569475. The cubic root of 4142520 is about 160.6034503533.

Adding to 4142520 its reverse (252414), we get a palindrome (4394934).

The spelling of 4142520 in words is "four million, one hundred forty-two thousand, five hundred twenty".