4042115 has 16 divisors (see below), whose sum is σ = 6048000. Its totient is φ = 2519520.

The previous prime is 4042111. The next prime is 4042153. The reversal of 4042115 is 5112404.

It is not a de Polignac number, because 4042115 - 2² = 4042111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4042093 and 4042102.

It is not an unprimeable number, because it can be changed into a prime (4042111) 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 in 15 ways as a sum of consecutive naturals, for example, 4865 + ... + 5634.

It is an arithmetic number, because the mean of its divisors is an integer number (378000).

Almost surely, 2^4042115 is an apocalyptic number.

4042115 is a deficient number, since it is larger than the sum of its proper divisors (2005885).

4042115 is a wasteful number, since it uses less digits than its factorization.

4042115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10522.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 4042115 is about 2010.5011812978. The cubic root of 4042115 is about 159.2952729517.

Adding to 4042115 its reverse (5112404), we get a palindrome (9154519).

It can be divided in two parts, 404211 and 5, that multiplied together give a triangular number (2021055 = T₂₀₁₀).

The spelling of 4042115 in words is "four million, forty-two thousand, one hundred fifteen".