1230105025291 has 2 divisors, whose sum is σ = 1230105025292. Its totient is φ = 1230105025290.

The previous prime is 1230105025267. The next prime is 1230105025319. The reversal of 1230105025291 is 1925205010321.

It is a weak prime.

It is an emirp because it is prime and its reverse (1925205010321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1230105025291 - 2¹¹ = 1230105023243 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230105023291) 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, 615052512645 + 615052512646.

It is an arithmetic number, because the mean of its divisors is an integer number (615052512646).

Almost surely, 2^{1230105025291} is an apocalyptic number.

1230105025291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230105025291 is an equidigital number, since it uses as much as digits as its factorization.

1230105025291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 1230105025291 in words is "one trillion, two hundred thirty billion, one hundred five million, twenty-five thousand, two hundred ninety-one".