1310750125 has 8 divisors (see below), whose sum is σ = 1635816312. Its totient is φ = 1048600000.

The previous prime is 1310750117. The next prime is 1310750141. The reversal of 1310750125 is 5210570131.

It can be written as a sum of positive squares in 4 ways, for example, as 406304649 + 904445476 = 20157^2 + 30074^2 .

It is not a de Polignac number, because 1310750125 - 2³ = 1310750117 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1310750125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5242876 + ... + 5243125.

It is an arithmetic number, because the mean of its divisors is an integer number (204477039).

Almost surely, 2^1310750125 is an apocalyptic number.

It is an amenable number.

1310750125 is a deficient number, since it is larger than the sum of its proper divisors (325066187).

1310750125 is an equidigital number, since it uses as much as digits as its factorization.

1310750125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10486016 (or 10486006 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 1310750125 is about 36204.2832410752. The cubic root of 1310750125 is about 1094.3929900903.

The spelling of 1310750125 in words is "one billion, three hundred ten million, seven hundred fifty thousand, one hundred twenty-five".