106728205 has 8 divisors (see below), whose sum is σ = 128219904. Its totient is φ = 85285200.

The previous prime is 106728199. The next prime is 106728217. The reversal of 106728205 is 502827601.

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

It is not a de Polignac number, because 106728205 - 2¹³ = 106720013 is a prime.

It is a super-2 number, since 2×106728205² = 22781819485044050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 7161 + ... + 16270.

It is an arithmetic number, because the mean of its divisors is an integer number (16027488).

Almost surely, 2^106728205 is an apocalyptic number.

It is an amenable number.

106728205 is a deficient number, since it is larger than the sum of its proper divisors (21491699).

106728205 is an equidigital number, since it uses as much as digits as its factorization.

106728205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24347.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 106728205 is about 10330.9343720692. The cubic root of 106728205 is about 474.3436252679.

The spelling of 106728205 in words is "one hundred six million, seven hundred twenty-eight thousand, two hundred five".