4042131 has 4 divisors (see below), whose sum is σ = 5389512. Its totient is φ = 2694752.

The previous prime is 4042111. The next prime is 4042153. The reversal of 4042131 is 1312404.

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

It is a cyclic number.

It is not a de Polignac number, because 4042131 - 2⁹ = 4041619 is a prime.

It is a super-2 number, since 2×4042131² = 32677646042322, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 4042131.

It is not an unprimeable number, because it can be changed into a prime (4042111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673686 + ... + 673691.

It is an arithmetic number, because the mean of its divisors is an integer number (1347378).

Almost surely, 2^4042131 is an apocalyptic number.

4042131 is a deficient number, since it is larger than the sum of its proper divisors (1347381).

4042131 is a wasteful number, since it uses less digits than its factorization.

4042131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347380.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 4042131 is about 2010.5051604012. The cubic root of 4042131 is about 159.2954831322.

Adding to 4042131 its reverse (1312404), we get a palindrome (5354535).

The spelling of 4042131 in words is "four million, forty-two thousand, one hundred thirty-one".