4087142 has 4 divisors (see below), whose sum is σ = 6130716. Its totient is φ = 2043570.

The previous prime is 4087141. The next prime is 4087151. The reversal of 4087142 is 2417804.

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 (4087141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021784 + ... + 1021787.

It is an arithmetic number, because the mean of its divisors is an integer number (1532679).

Almost surely, 2^4087142 is an apocalyptic number.

4087142 is a deficient number, since it is larger than the sum of its proper divisors (2043574).

4087142 is a wasteful number, since it uses less digits than its factorization.

4087142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043573.

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

The square root of 4087142 is about 2021.6681231102. The cubic root of 4087142 is about 159.8845782147.

The spelling of 4087142 in words is "four million, eighty-seven thousand, one hundred forty-two".