4042187 has 4 divisors (see below), whose sum is σ = 4046496. Its totient is φ = 4037880.

The previous prime is 4042163. The next prime is 4042211. The reversal of 4042187 is 7812404.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (4042163) and next prime (4042211).

It is a cyclic number.

It is not a de Polignac number, because 4042187 - 2⁸ = 4041931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42187) 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, 83 + ... + 2844.

It is an arithmetic number, because the mean of its divisors is an integer number (1011624).

Almost surely, 2^4042187 is an apocalyptic number.

4042187 is a deficient number, since it is larger than the sum of its proper divisors (4309).

4042187 is a wasteful number, since it uses less digits than its factorization.

4042187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 4042187 is about 2010.5190872011. The cubic root of 4042187 is about 159.2962187595.

The spelling of 4042187 in words is "four million, forty-two thousand, one hundred eighty-seven".