4071142 has 16 divisors (see below), whose sum is σ = 6285600. Its totient is φ = 1976832.

The previous prime is 4071097. The next prime is 4071157. The reversal of 4071142 is 2411704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20359 + ... + 20557.

It is an arithmetic number, because the mean of its divisors is an integer number (392850).

Almost surely, 2^4071142 is an apocalyptic number.

4071142 is a deficient number, since it is larger than the sum of its proper divisors (2214458).

4071142 is a wasteful number, since it uses less digits than its factorization.

4071142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 4071142 is about 2017.7071145238. The cubic root of 4071142 is about 159.6756711366.

Adding to 4071142 its reverse (2411704), we get a palindrome (6482846).

The spelling of 4071142 in words is "four million, seventy-one thousand, one hundred forty-two".