104720565 has 8 divisors (see below), whose sum is σ = 167552928. Its totient is φ = 55850960.

The previous prime is 104720557. The next prime is 104720569. The reversal of 104720565 is 565027401.

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

It is not a de Polignac number, because 104720565 - 2³ = 104720557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104720569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3490671 + ... + 3490700.

It is an arithmetic number, because the mean of its divisors is an integer number (20944116).

Almost surely, 2^104720565 is an apocalyptic number.

104720565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104720565 is a deficient number, since it is larger than the sum of its proper divisors (62832363).

104720565 is an equidigital number, since it uses as much as digits as its factorization.

104720565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6981379.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 104720565 is about 10233.3066503452. The cubic root of 104720565 is about 471.3505218421.

Adding to 104720565 its reverse (565027401), we get a palindrome (669747966).

It can be divided in two parts, 1047 and 20565, that added together give a palindrome (21612).

The spelling of 104720565 in words is "one hundred four million, seven hundred twenty thousand, five hundred sixty-five".