103287009 has 32 divisors (see below), whose sum is σ = 168099840. Its totient is φ = 55137600.

The previous prime is 103287007. The next prime is 103287011. The reversal of 103287009 is 900782301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (103287007) and next prime (103287011).

It is not a de Polignac number, because 103287009 - 2¹ = 103287007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103287001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16144 + ... + 21614.

It is an arithmetic number, because the mean of its divisors is an integer number (5253120).

Almost surely, 2^103287009 is an apocalyptic number.

It is an amenable number.

103287009 is a deficient number, since it is larger than the sum of its proper divisors (64812831).

103287009 is a wasteful number, since it uses less digits than its factorization.

103287009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5541.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 103287009 is about 10163.0216471284. The cubic root of 103287009 is about 469.1898053208.

The spelling of 103287009 in words is "one hundred three million, two hundred eighty-seven thousand, nine".