1230202249 has 2 divisors, whose sum is σ = 1230202250. Its totient is φ = 1230202248.

The previous prime is 1230202217. The next prime is 1230202261. The reversal of 1230202249 is 9422020321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1228011849 + 2190400 = 35043^2 + 1480^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230202249 - 2⁵ = 1230202217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230202289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615101124 + 615101125.

It is an arithmetic number, because the mean of its divisors is an integer number (615101125).

Almost surely, 2^1230202249 is an apocalyptic number.

It is an amenable number.

1230202249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230202249 is an equidigital number, since it uses as much as digits as its factorization.

1230202249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1230202249 is about 35074.2391079265. The cubic root of 1230202249 is about 1071.4999921973.

The spelling of 1230202249 in words is "one billion, two hundred thirty million, two hundred two thousand, two hundred forty-nine".