4142987 has 4 divisors (see below), whose sum is σ = 4170576. Its totient is φ = 4115400.

The previous prime is 4142947. The next prime is 4142989. The reversal of 4142987 is 7892414.

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

It is a cyclic number.

It is not a de Polignac number, because 4142987 - 2²⁰ = 3094411 is a prime.

It is a super-3 number, since 3×4142987³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4142989) 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, 13568 + ... + 13869.

It is an arithmetic number, because the mean of its divisors is an integer number (1042644).

Almost surely, 2^4142987 is an apocalyptic number.

4142987 is a deficient number, since it is larger than the sum of its proper divisors (27589).

4142987 is a wasteful number, since it uses less digits than its factorization.

4142987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27588.

The product of its digits is 16128, while the sum is 35.

The square root of 4142987 is about 2035.4328777928. The cubic root of 4142987 is about 160.6094852462.

The spelling of 4142987 in words is "four million, one hundred forty-two thousand, nine hundred eighty-seven".