1312504241 has 4 divisors (see below), whose sum is σ = 1314696000. Its totient is φ = 1310312484.

The previous prime is 1312504229. The next prime is 1312504253. The reversal of 1312504241 is 1424052131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1312504229) and next prime (1312504253).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312504241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312504541) 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 in 3 ways as a sum of consecutive naturals, for example, 1094981 + ... + 1096178.

It is an arithmetic number, because the mean of its divisors is an integer number (328674000).

Almost surely, 2^1312504241 is an apocalyptic number.

It is an amenable number.

1312504241 is a deficient number, since it is larger than the sum of its proper divisors (2191759).

1312504241 is an equidigital number, since it uses as much as digits as its factorization.

1312504241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191758.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1312504241 is about 36228.5003967871. The cubic root of 1312504241 is about 1094.8809642431.

Adding to 1312504241 its reverse (1424052131), we get a palindrome (2736556372).

The spelling of 1312504241 in words is "one billion, three hundred twelve million, five hundred four thousand, two hundred forty-one".