1315112125 has 16 divisors (see below), whose sum is σ = 1645456176. Its totient is φ = 1049400000.

The previous prime is 1315112093. The next prime is 1315112179. The reversal of 1315112125 is 5212115131.

It can be written as a sum of positive squares in 8 ways, for example, as 416731396 + 898380729 = 20414^2 + 29973^2 .

It is not a de Polignac number, because 1315112125 - 2⁵ = 1315112093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1315112096 and 1315112105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36375 + ... + 62875.

It is an arithmetic number, because the mean of its divisors is an integer number (102841011).

Almost surely, 2^1315112125 is an apocalyptic number.

It is an amenable number.

1315112125 is a deficient number, since it is larger than the sum of its proper divisors (330344051).

1315112125 is an equidigital number, since it uses as much as digits as its factorization.

1315112125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26913 (or 26903 counting only the distinct ones).

The product of its digits is 300, while the sum is 22.

The square root of 1315112125 is about 36264.4746963195. The cubic root of 1315112125 is about 1095.6056434261.

Adding to 1315112125 its reverse (5212115131), we get a palindrome (6527227256).

The spelling of 1315112125 in words is "one billion, three hundred fifteen million, one hundred twelve thousand, one hundred twenty-five".