1230103021289 has 2 divisors, whose sum is σ = 1230103021290. Its totient is φ = 1230103021288.

The previous prime is 1230103021283. The next prime is 1230103021319. The reversal of 1230103021289 is 9821203010321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1163125581289 + 66977440000 = 1078483^2 + 258800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230103021289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230103021283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615051510644 + 615051510645.

It is an arithmetic number, because the mean of its divisors is an integer number (615051510645).

Almost surely, 2^{1230103021289} is an apocalyptic number.

It is an amenable number.

1230103021289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230103021289 is an equidigital number, since it uses as much as digits as its factorization.

1230103021289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 1230103021289 in words is "one trillion, two hundred thirty billion, one hundred three million, twenty-one thousand, two hundred eighty-nine".