1230111163 has 2 divisors, whose sum is σ = 1230111164. Its totient is φ = 1230111162.

The previous prime is 1230111131. The next prime is 1230111173. The reversal of 1230111163 is 3611110321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1230111163 - 2⁵ = 1230111131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1230111163.

It is not a weakly prime, because it can be changed into another prime (1230111173) 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, 615055581 + 615055582.

It is an arithmetic number, because the mean of its divisors is an integer number (615055582).

Almost surely, 2^1230111163 is an apocalyptic number.

1230111163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230111163 is an equidigital number, since it uses as much as digits as its factorization.

1230111163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1230111163 is about 35072.9406095354. The cubic root of 1230111163 is about 1071.4735463948.

Adding to 1230111163 its reverse (3611110321), we get a palindrome (4841221484).

The spelling of 1230111163 in words is "one billion, two hundred thirty million, one hundred eleven thousand, one hundred sixty-three".