1325000099 has 2 divisors, whose sum is σ = 1325000100. Its totient is φ = 1325000098.

The previous prime is 1325000071. The next prime is 1325000141. The reversal of 1325000099 is 9900005231.

It is a weak prime.

It is an emirp because it is prime and its reverse (9900005231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1325000099 - 2²⁰ = 1323951523 is a prime.

It is not a weakly prime, because it can be changed into another prime (1325000069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662500049 + 662500050.

It is an arithmetic number, because the mean of its divisors is an integer number (662500050).

Almost surely, 2^1325000099 is an apocalyptic number.

1325000099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325000099 is an equidigital number, since it uses as much as digits as its factorization.

1325000099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 1325000099 is about 36400.5508062721. The cubic root of 1325000099 is about 1098.3446448689.

The spelling of 1325000099 in words is "one billion, three hundred twenty-five million, ninety-nine", and thus it is an aban number.