1244230249 has 2 divisors, whose sum is σ = 1244230250. Its totient is φ = 1244230248.

The previous prime is 1244230223. The next prime is 1244230259. The reversal of 1244230249 is 9420324421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 804573225 + 439657024 = 28365^2 + 20968^2 .

It is a cyclic number.

It is not a de Polignac number, because 1244230249 - 2⁵ = 1244230217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1244230249.

It is not a weakly prime, because it can be changed into another prime (1244230259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622115124 + 622115125.

It is an arithmetic number, because the mean of its divisors is an integer number (622115125).

Almost surely, 2^1244230249 is an apocalyptic number.

It is an amenable number.

1244230249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244230249 is an equidigital number, since it uses as much as digits as its factorization.

1244230249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 1244230249 is about 35273.6480818188. The cubic root of 1244230249 is about 1075.5573814755.

The spelling of 1244230249 in words is "one billion, two hundred forty-four million, two hundred thirty thousand, two hundred forty-nine".