1312252241 has 2 divisors, whose sum is σ = 1312252242. Its totient is φ = 1312252240.

The previous prime is 1312252231. The next prime is 1312252247. The reversal of 1312252241 is 1422522131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 776792641 + 535459600 = 27871^2 + 23140^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312252241 - 2⁶ = 1312252177 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312252247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656126120 + 656126121.

It is an arithmetic number, because the mean of its divisors is an integer number (656126121).

Almost surely, 2^1312252241 is an apocalyptic number.

It is an amenable number.

1312252241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312252241 is an equidigital number, since it uses as much as digits as its factorization.

1312252241 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1312252241 is about 36225.0223050311. The cubic root of 1312252241 is about 1094.8108876028.

Adding to 1312252241 its reverse (1422522131), we get a palindrome (2734774372).

The spelling of 1312252241 in words is "one billion, three hundred twelve million, two hundred fifty-two thousand, two hundred forty-one".