1230113249 has 2 divisors, whose sum is σ = 1230113250. Its totient is φ = 1230113248.

The previous prime is 1230113207. The next prime is 1230113293. The reversal of 1230113249 is 9423110321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 959017024 + 271096225 = 30968^2 + 16465^2 .

It is an emirp because it is prime and its reverse (9423110321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1230113249 - 2⁸ = 1230112993 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230113849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615056624 + 615056625.

It is an arithmetic number, because the mean of its divisors is an integer number (615056625).

Almost surely, 2^1230113249 is an apocalyptic number.

It is an amenable number.

1230113249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230113249 is an equidigital number, since it uses as much as digits as its factorization.

1230113249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1230113249 is about 35072.9703475483. The cubic root of 1230113249 is about 1071.4741520562.

The spelling of 1230113249 in words is "one billion, two hundred thirty million, one hundred thirteen thousand, two hundred forty-nine".