103391009 has 8 divisors (see below), whose sum is σ = 104159520. Its totient is φ = 102625696.

The previous prime is 103390999. The next prime is 103391083. The reversal of 103391009 is 900193301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103391009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103391089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127397 + ... + 128205.

It is an arithmetic number, because the mean of its divisors is an integer number (13019940).

Almost surely, 2^103391009 is an apocalyptic number.

It is an amenable number.

103391009 is a deficient number, since it is larger than the sum of its proper divisors (768511).

103391009 is an equidigital number, since it uses as much as digits as its factorization.

103391009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 103391009 is about 10168.1369483303. The cubic root of 103391009 is about 469.3472287046.

The spelling of 103391009 in words is "one hundred three million, three hundred ninety-one thousand, nine".