104509407 has 16 divisors (see below), whose sum is σ = 141372000. Its totient is φ = 68665344.

The previous prime is 104509403. The next prime is 104509411. The reversal of 104509407 is 704905401.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (104509403) and next prime (104509411).

It is not a de Polignac number, because 104509407 - 2² = 104509403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104509403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135519 + ... + 136287.

It is an arithmetic number, because the mean of its divisors is an integer number (8835750).

Almost surely, 2^104509407 is an apocalyptic number.

104509407 is a deficient number, since it is larger than the sum of its proper divisors (36862593).

104509407 is an equidigital number, since it uses as much as digits as its factorization.

104509407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 104509407 is about 10222.9842511861. The cubic root of 104509407 is about 471.0334990892.

The spelling of 104509407 in words is "one hundred four million, five hundred nine thousand, four hundred seven".