101225 has 6 divisors (see below), whose sum is σ = 125550. Its totient is φ = 80960.

The previous prime is 101221. The next prime is 101267. The reversal of 101225 is 522101.

It can be written as a sum of positive squares in 3 ways, for example, as 1369 + 99856 = 37^2 + 316^2 .

It is not a de Polignac number, because 101225 - 2² = 101221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101221) 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, 2000 + ... + 2049.

It is an arithmetic number, because the mean of its divisors is an integer number (20925).

2¹⁰¹²²⁵ is an apocalyptic number.

It is an amenable number.

101225 is a deficient number, since it is larger than the sum of its proper divisors (24325).

101225 is an equidigital number, since it uses as much as digits as its factorization.

101225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4059 (or 4054 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 101225 is about 318.1587653987. The cubic root of 101225 is about 46.6046511840.

Adding to 101225 its reverse (522101), we get a palindrome (623326).

The spelling of 101225 in words is "one hundred one thousand, two hundred twenty-five".