2987105 has 8 divisors (see below), whose sum is σ = 3910464. Its totient is φ = 2172400.

The previous prime is 2987099. The next prime is 2987113. The reversal of 2987105 is 5017892.

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

It is a de Polignac number, because none of the positive numbers 2^k-2987105 is a prime.

It is a Duffinian number.

It is a Curzon 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, 27101 + ... + 27210.

It is an arithmetic number, because the mean of its divisors is an integer number (488808).

2^2987105 is an apocalyptic number.

It is an amenable number.

2987105 is a deficient number, since it is larger than the sum of its proper divisors (923359).

2987105 is a wasteful number, since it uses less digits than its factorization.

2987105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54327.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 2987105 is about 1728.3243329885. The cubic root of 2987105 is about 144.0180179357.

The spelling of 2987105 in words is "two million, nine hundred eighty-seven thousand, one hundred five".