1310125522 has 4 divisors (see below), whose sum is σ = 1965188286. Its totient is φ = 655062760.

The previous prime is 1310125513. The next prime is 1310125529. The reversal of 1310125522 is 2255210131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 806616801 + 503508721 = 28401^2 + 22439^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1310125493 and 1310125502.

It is not an unprimeable number, because it can be changed into a prime (1310125529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327531379 + ... + 327531382.

Almost surely, 2^1310125522 is an apocalyptic number.

1310125522 is a deficient number, since it is larger than the sum of its proper divisors (655062764).

1310125522 is an equidigital number, since it uses as much as digits as its factorization.

1310125522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655062763.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1310125522 is about 36195.6561205899. The cubic root of 1310125522 is about 1094.2191278776.

Adding to 1310125522 its reverse (2255210131), we get a palindrome (3565335653).

The spelling of 1310125522 in words is "one billion, three hundred ten million, one hundred twenty-five thousand, five hundred twenty-two".