122106225 has 24 divisors (see below), whose sum is σ = 203112000. Its totient is φ = 64726720.

The previous prime is 122106209. The next prime is 122106233. The reversal of 122106225 is 522601221.

It is a happy number.

It is not a de Polignac number, because 122106225 - 2⁴ = 122106209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7651 + ... + 17399.

It is an arithmetic number, because the mean of its divisors is an integer number (8463000).

Almost surely, 2^122106225 is an apocalyptic number.

122106225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122106225 is a deficient number, since it is larger than the sum of its proper divisors (81005775).

122106225 is a wasteful number, since it uses less digits than its factorization.

122106225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9929 (or 9924 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 122106225 is about 11050.1685507507. The cubic root of 122106225 is about 496.1114704047. Note that the first 3 decimals are identical.

Adding to 122106225 its reverse (522601221), we get a palindrome (644707446).

The spelling of 122106225 in words is "one hundred twenty-two million, one hundred six thousand, two hundred twenty-five".