1301200097 has 2 divisors, whose sum is σ = 1301200098. Its totient is φ = 1301200096.

The previous prime is 1301200079. The next prime is 1301200139. The reversal of 1301200097 is 7900021031.

Together with previous prime (1301200079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1153553296 + 147646801 = 33964^2 + 12151^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301200097 - 2²² = 1297005793 is a prime.

It is not a weakly prime, because it can be changed into another prime (1301200037) 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 as a sum of consecutive naturals, namely, 650600048 + 650600049.

It is an arithmetic number, because the mean of its divisors is an integer number (650600049).

Almost surely, 2^1301200097 is an apocalyptic number.

It is an amenable number.

1301200097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301200097 is an equidigital number, since it uses as much as digits as its factorization.

1301200097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 1301200097 is about 36072.1512665935. The cubic root of 1301200097 is about 1091.7286201099.

The spelling of 1301200097 in words is "one billion, three hundred one million, two hundred thousand, ninety-seven".