1230785093 has 2 divisors, whose sum is σ = 1230785094. Its totient is φ = 1230785092.

The previous prime is 1230785089. The next prime is 1230785117. The reversal of 1230785093 is 3905870321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 753886849 + 476898244 = 27457^2 + 21838^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230785093 - 2² = 1230785089 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230785053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615392546 + 615392547.

It is an arithmetic number, because the mean of its divisors is an integer number (615392547).

Almost surely, 2^1230785093 is an apocalyptic number.

It is an amenable number.

1230785093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230785093 is an equidigital number, since it uses as much as digits as its factorization.

1230785093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 1230785093 is about 35082.5468431241. The cubic root of 1230785093 is about 1071.6691835478.

The spelling of 1230785093 in words is "one billion, two hundred thirty million, seven hundred eighty-five thousand, ninety-three".