106122161 has 6 divisors (see below), whose sum is σ = 110937330. Its totient is φ = 101507648.

The previous prime is 106122157. The next prime is 106122167. The reversal of 106122161 is 161221601.

It can be written as a sum of positive squares in only one way, i.e., 56911936 + 49210225 = 7544^2 + 7015^2 .

It is not a de Polignac number, because 106122161 - 2² = 106122157 is a prime.

It is a super-2 number, since 2×106122161² = 22523826110619842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106122167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99776 + ... + 100833.

It is an arithmetic number, because the mean of its divisors is an integer number (18489555).

Almost surely, 2^106122161 is an apocalyptic number.

It is an amenable number.

106122161 is a deficient number, since it is larger than the sum of its proper divisors (4815169).

106122161 is an equidigital number, since it uses as much as digits as its factorization.

106122161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200655 (or 200632 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 106122161 is about 10301.5610952904. The cubic root of 106122161 is about 473.4440849858. Note that the first 3 decimals are identical.

Adding to 106122161 its reverse (161221601), we get a palindrome (267343762).

The spelling of 106122161 in words is "one hundred six million, one hundred twenty-two thousand, one hundred sixty-one".