106321205 has 4 divisors (see below), whose sum is σ = 127585452. Its totient is φ = 85056960.

The previous prime is 106321181. The next prime is 106321211. The reversal of 106321205 is 502123601.

106321205 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11336689 + 94984516 = 3367^2 + 9746^2 .

It is not a de Polignac number, because 106321205 - 2²⁴ = 89543989 is a prime.

It is a super-2 number, since 2×106321205² = 22608397265304050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10632116 + ... + 10632125.

It is an arithmetic number, because the mean of its divisors is an integer number (31896363).

Almost surely, 2^106321205 is an apocalyptic number.

It is an amenable number.

106321205 is a deficient number, since it is larger than the sum of its proper divisors (21264247).

106321205 is an equidigital number, since it uses as much as digits as its factorization.

106321205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21264246.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 106321205 is about 10311.2174353953. The cubic root of 106321205 is about 473.7398992562.

Adding to 106321205 its reverse (502123601), we get a palindrome (608444806).

The spelling of 106321205 in words is "one hundred six million, three hundred twenty-one thousand, two hundred five".