101232225 has 18 divisors (see below), whose sum is σ = 181318566. Its totient is φ = 53990400.

The previous prime is 101232181. The next prime is 101232251. The reversal of 101232225 is 522232101.

It can be written as a sum of positive squares in 3 ways, for example, as 23386896 + 77845329 = 4836^2 + 8823^2 .

It is not a de Polignac number, because 101232225 - 2⁷ = 101232097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101232198 and 101232207.

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 17 ways as a sum of consecutive naturals, for example, 224736 + ... + 225185.

Almost surely, 2^101232225 is an apocalyptic number.

101232225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101232225 is a deficient number, since it is larger than the sum of its proper divisors (80086341).

101232225 is a wasteful number, since it uses less digits than its factorization.

101232225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449937 (or 449929 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 101232225 is about 10061.4226131298. The cubic root of 101232225 is about 466.0575997004.

Adding to 101232225 its reverse (522232101), we get a palindrome (623464326).

The spelling of 101232225 in words is "one hundred one million, two hundred thirty-two thousand, two hundred twenty-five".