2009115 has 12 divisors (see below), whose sum is σ = 3482544. Its totient is φ = 1071504.

The previous prime is 2009113. The next prime is 2009167. The reversal of 2009115 is 5119002.

It is not a de Polignac number, because 2009115 - 2¹ = 2009113 is a prime.

2009115 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2009113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22279 + ... + 22368.

It is an arithmetic number, because the mean of its divisors is an integer number (290212).

2^2009115 is an apocalyptic number.

2009115 is a deficient number, since it is larger than the sum of its proper divisors (1473429).

2009115 is a wasteful number, since it uses less digits than its factorization.

2009115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44658 (or 44655 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 2009115 is about 1417.4325380772. The cubic root of 2009115 is about 126.1832179566.

The spelling of 2009115 in words is "two million, nine thousand, one hundred fifteen".