1230548287 has 2 divisors, whose sum is σ = 1230548288. Its totient is φ = 1230548286.

The previous prime is 1230548233. The next prime is 1230548353. The reversal of 1230548287 is 7828450321.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7828450321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1230548287 - 2¹⁹ = 1230023999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230548227) 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, 615274143 + 615274144.

It is an arithmetic number, because the mean of its divisors is an integer number (615274144).

Almost surely, 2^1230548287 is an apocalyptic number.

1230548287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230548287 is an equidigital number, since it uses as much as digits as its factorization.

1230548287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 1230548287 is about 35079.1716977468. The cubic root of 1230548287 is about 1071.6004485668.

The spelling of 1230548287 in words is "one billion, two hundred thirty million, five hundred forty-eight thousand, two hundred eighty-seven".