107409 has 4 divisors (see below), whose sum is σ = 143216. Its totient is φ = 71604.

The previous prime is 107377. The next prime is 107441. The reversal of 107409 is 904701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (107377) and next prime (107441).

It is not a de Polignac number, because 107409 - 2⁵ = 107377 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17899 + ... + 17904.

It is an arithmetic number, because the mean of its divisors is an integer number (35804).

2¹⁰⁷⁴⁰⁹ is an apocalyptic number.

It is an amenable number.

107409 is a deficient number, since it is larger than the sum of its proper divisors (35807).

107409 is an equidigital number, since it uses as much as digits as its factorization.

107409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35806.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 107409 is about 327.7331231353. The cubic root of 107409 is about 47.5350065122.

The spelling of 107409 in words is "one hundred seven thousand, four hundred nine".