201125 has 8 divisors (see below), whose sum is σ = 251160. Its totient is φ = 160800.

The previous prime is 201121. The next prime is 201139. The reversal of 201125 is 521102.

It can be written as a sum of positive squares in 4 ways, for example, as 2209 + 198916 = 47^2 + 446^2 .

It is not a de Polignac number, because 201125 - 2² = 201121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680 + ... + 929.

It is an arithmetic number, because the mean of its divisors is an integer number (31395).

2²⁰¹¹²⁵ is an apocalyptic number.

201125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201125 is a deficient number, since it is larger than the sum of its proper divisors (50035).

201125 is an equidigital number, since it uses as much as digits as its factorization.

201125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624 (or 1614 counting only the distinct ones).

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

The square root of 201125 is about 448.4696199298. The cubic root of 201125 is about 58.5898004745.

Adding to 201125 its reverse (521102), we get a palindrome (722227).

It can be divided in two parts, 20 and 1125, that multiplied together give a square (22500 = 150²).

The spelling of 201125 in words is "two hundred one thousand, one hundred twenty-five".