106205705 has 8 divisors (see below), whose sum is σ = 129242304. Its totient is φ = 83767600.

The previous prime is 106205689. The next prime is 106205731. The reversal of 106205705 is 507502601.

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

It is not a de Polignac number, because 106205705 - 2⁴ = 106205689 is a prime.

It is a super-2 number, since 2×106205705² = 22559303549094050, which contains 22 as substring.

It is a Duffinian 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, 149231 + ... + 149940.

It is an arithmetic number, because the mean of its divisors is an integer number (16155288).

Almost surely, 2^106205705 is an apocalyptic number.

It is an amenable number.

106205705 is a deficient number, since it is larger than the sum of its proper divisors (23036599).

106205705 is an equidigital number, since it uses as much as digits as its factorization.

106205705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299247.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 106205705 is about 10305.6152169582. The cubic root of 106205705 is about 473.5682910184.

The spelling of 106205705 in words is "one hundred six million, two hundred five thousand, seven hundred five".