4026142 has 4 divisors (see below), whose sum is σ = 6039216. Its totient is φ = 2013070.

The previous prime is 4026137. The next prime is 4026149. The reversal of 4026142 is 2416204.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4026149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006534 + ... + 1006537.

It is an arithmetic number, because the mean of its divisors is an integer number (1509804).

Almost surely, 2^4026142 is an apocalyptic number.

4026142 is a deficient number, since it is larger than the sum of its proper divisors (2013074).

4026142 is a wasteful number, since it uses less digits than its factorization.

4026142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013073.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4026142 is about 2006.5248565617. The cubic root of 4026142 is about 159.0851698808.

The spelling of 4026142 in words is "four million, twenty-six thousand, one hundred forty-two".