201125013 has 12 divisors (see below), whose sum is σ = 283025088. Its totient is φ = 127025640.

The previous prime is 201125009. The next prime is 201125027. The reversal of 201125013 is 310521102.

It is not a de Polignac number, because 201125013 - 2² = 201125009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201124983 and 201125001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201125033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91773 + ... + 93938.

It is an arithmetic number, because the mean of its divisors is an integer number (23585424).

Almost surely, 2^201125013 is an apocalyptic number.

It is an amenable number.

201125013 is a deficient number, since it is larger than the sum of its proper divisors (81900075).

201125013 is a wasteful number, since it uses less digits than its factorization.

201125013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185752 (or 185733 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 201125013 is about 14181.8550620150. The cubic root of 201125013 is about 585.8980173687.

Adding to 201125013 its reverse (310521102), we get a palindrome (511646115).

The spelling of 201125013 in words is "two hundred one million, one hundred twenty-five thousand, thirteen".