13100125 has 8 divisors (see below), whose sum is σ = 16349112. Its totient is φ = 10480000.

The previous prime is 13100123. The next prime is 13100173. The reversal of 13100125 is 52100131.

It can be written as a sum of positive squares in 4 ways, for example, as 10201 + 13089924 = 101^2 + 3618^2 .

It is not a de Polignac number, because 13100125 - 2¹ = 13100123 is a prime.

It is a super-2 number, since 2×13100125² = 343226550031250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13100123) 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, 52276 + ... + 52525.

It is an arithmetic number, because the mean of its divisors is an integer number (2043639).

Almost surely, 2^13100125 is an apocalyptic number.

It is an amenable number.

13100125 is a deficient number, since it is larger than the sum of its proper divisors (3248987).

13100125 is an equidigital number, since it uses as much as digits as its factorization.

13100125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104816 (or 104806 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 13100125 is about 3619.4094822222. The cubic root of 13100125 is about 235.7355855517.

Adding to 13100125 its reverse (52100131), we get a palindrome (65200256).

It can be divided in two parts, 13100 and 125, that added together give a square (13225 = 115²).

The spelling of 13100125 in words is "thirteen million, one hundred thousand, one hundred twenty-five".