1312389107 has 2 divisors, whose sum is σ = 1312389108. Its totient is φ = 1312389106.

The previous prime is 1312389059. The next prime is 1312389151. The reversal of 1312389107 is 7019832131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1312389107 - 2²² = 1308194803 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312389167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656194553 + 656194554.

It is an arithmetic number, because the mean of its divisors is an integer number (656194554).

Almost surely, 2^1312389107 is an apocalyptic number.

1312389107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312389107 is an equidigital number, since it uses as much as digits as its factorization.

1312389107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 1312389107 is about 36226.9113643435. The cubic root of 1312389107 is about 1094.8489486739.

The spelling of 1312389107 in words is "one billion, three hundred twelve million, three hundred eighty-nine thousand, one hundred seven".