106201705 has 8 divisors (see below), whose sum is σ = 127549512. Its totient is φ = 84889728.

The previous prime is 106201661. The next prime is 106201721. The reversal of 106201705 is 507102601.

It can be written as a sum of positive squares in 4 ways, for example, as 4272489 + 101929216 = 2067^2 + 10096^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 106201705 - 2¹³ = 106193513 is a prime.

It is a super-2 number, since 2×106201705² = 22557604289814050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1932 + ... + 14701.

It is an arithmetic number, because the mean of its divisors is an integer number (15943689).

Almost surely, 2^106201705 is an apocalyptic number.

It is an amenable number.

106201705 is a deficient number, since it is larger than the sum of its proper divisors (21347807).

106201705 is a wasteful number, since it uses less digits than its factorization.

106201705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17915.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 106201705 is about 10305.4211461735. The cubic root of 106201705 is about 473.5623456474.

The spelling of 106201705 in words is "one hundred six million, two hundred one thousand, seven hundred five".