103728085 has 8 divisors (see below), whose sum is σ = 124771896. Its totient is φ = 82783680.

The previous prime is 103728071. The next prime is 103728113. The reversal of 103728085 is 580827301.

It can be written as a sum of positive squares in 4 ways, for example, as 786769 + 102941316 = 887^2 + 10146^2 .

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

It is not a de Polignac number, because 103728085 - 2⁷ = 103727957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103728085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22534 + ... + 26743.

It is an arithmetic number, because the mean of its divisors is an integer number (15596487).

Almost surely, 2^103728085 is an apocalyptic number.

It is an amenable number.

103728085 is a deficient number, since it is larger than the sum of its proper divisors (21043811).

103728085 is an equidigital number, since it uses as much as digits as its factorization.

103728085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49703.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 103728085 is about 10184.6985718773. The cubic root of 103728085 is about 469.8567316456.

The spelling of 103728085 in words is "one hundred three million, seven hundred twenty-eight thousand, eighty-five".