1230099887 has 2 divisors, whose sum is σ = 1230099888. Its totient is φ = 1230099886.

The previous prime is 1230099863. The next prime is 1230099901. The reversal of 1230099887 is 7889900321.

It is a strong prime.

It is an emirp because it is prime and its reverse (7889900321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1230099887 - 2¹² = 1230095791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230099487) 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, 615049943 + 615049944.

It is an arithmetic number, because the mean of its divisors is an integer number (615049944).

Almost surely, 2^1230099887 is an apocalyptic number.

1230099887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230099887 is an equidigital number, since it uses as much as digits as its factorization.

1230099887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 1230099887 is about 35072.7798584600. The cubic root of 1230099887 is about 1071.4702724434.

The spelling of 1230099887 in words is "one billion, two hundred thirty million, ninety-nine thousand, eight hundred eighty-seven".