1299242107 has 2 divisors, whose sum is σ = 1299242108. Its totient is φ = 1299242106.

The previous prime is 1299242089. The next prime is 1299242123. The reversal of 1299242107 is 7012429921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1299242107 - 2¹⁵ = 1299209339 is a prime.

It is not a weakly prime, because it can be changed into another prime (1299242207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649621053 + 649621054.

It is an arithmetic number, because the mean of its divisors is an integer number (649621054).

Almost surely, 2^1299242107 is an apocalyptic number.

1299242107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1299242107 is an equidigital number, since it uses as much as digits as its factorization.

1299242107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1299242107 is about 36045.0011374670. The cubic root of 1299242107 is about 1091.1807497735.

The spelling of 1299242107 in words is "one billion, two hundred ninety-nine million, two hundred forty-two thousand, one hundred seven".