4119987 has 8 divisors (see below), whose sum is σ = 5641936. Its totient is φ = 2672352.

The previous prime is 4119977. The next prime is 4119991. The reversal of 4119987 is 7899114.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4119987 - 2⁶ = 4119923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4119937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18448 + ... + 18669.

It is an arithmetic number, because the mean of its divisors is an integer number (705242).

Almost surely, 2^4119987 is an apocalyptic number.

4119987 is a deficient number, since it is larger than the sum of its proper divisors (1521949).

4119987 is a wasteful number, since it uses less digits than its factorization.

4119987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37157.

The product of its digits is 18144, while the sum is 39.

The square root of 4119987 is about 2029.7751106958. The cubic root of 4119987 is about 160.3117230145.

The spelling of 4119987 in words is "four million, one hundred nineteen thousand, nine hundred eighty-seven".