1312142417 has 2 divisors, whose sum is σ = 1312142418. Its totient is φ = 1312142416.

The previous prime is 1312142411. The next prime is 1312142431. The reversal of 1312142417 is 7142412131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1105961536 + 206180881 = 33256^2 + 14359^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312142417 - 2¹⁴ = 1312126033 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312142411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656071208 + 656071209.

It is an arithmetic number, because the mean of its divisors is an integer number (656071209).

Almost surely, 2^1312142417 is an apocalyptic number.

It is an amenable number.

1312142417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312142417 is an equidigital number, since it uses as much as digits as its factorization.

1312142417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 26.

The square root of 1312142417 is about 36223.5064150339. The cubic root of 1312142417 is about 1094.7803447286.

Adding to 1312142417 its reverse (7142412131), we get a palindrome (8454554548).

The spelling of 1312142417 in words is "one billion, three hundred twelve million, one hundred forty-two thousand, four hundred seventeen".