106200505 has 4 divisors (see below), whose sum is σ = 127440612. Its totient is φ = 84960400.

The previous prime is 106200503. The next prime is 106200509. The reversal of 106200505 is 505002601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505002601 = 2647 ⋅190783.

It can be written as a sum of positive squares in 2 ways, for example, as 59305401 + 46895104 = 7701^2 + 6848^2 .

It is not a de Polignac number, because 106200505 - 2¹ = 106200503 is a prime.

It is a super-2 number, since 2×106200505² = 22557094524510050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106200503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10620046 + ... + 10620055.

It is an arithmetic number, because the mean of its divisors is an integer number (31860153).

Almost surely, 2^106200505 is an apocalyptic number.

It is an amenable number.

106200505 is a deficient number, since it is larger than the sum of its proper divisors (21240107).

106200505 is an equidigital number, since it uses as much as digits as its factorization.

106200505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21240106.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 106200505 is about 10305.3629242254. The cubic root of 106200505 is about 473.5605620070.

The spelling of 106200505 in words is "one hundred six million, two hundred thousand, five hundred five".