1310124521 has 2 divisors, whose sum is σ = 1310124522. Its totient is φ = 1310124520.

The previous prime is 1310124481. The next prime is 1310124523. The reversal of 1310124521 is 1254210131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1055275225 + 254849296 = 32485^2 + 15964^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310124521 - 2³⁰ = 236382697 is a prime.

Together with 1310124523, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1310124493 and 1310124502.

It is not a weakly prime, because it can be changed into another prime (1310124523) 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, 655062260 + 655062261.

It is an arithmetic number, because the mean of its divisors is an integer number (655062261).

Almost surely, 2^1310124521 is an apocalyptic number.

It is an amenable number.

1310124521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310124521 is an equidigital number, since it uses as much as digits as its factorization.

1310124521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1310124521 is about 36195.6422929612. The cubic root of 1310124521 is about 1094.2188491986.

Adding to 1310124521 its reverse (1254210131), we get a palindrome (2564334652).

The spelling of 1310124521 in words is "one billion, three hundred ten million, one hundred twenty-four thousand, five hundred twenty-one".