1244053249 has 2 divisors, whose sum is σ = 1244053250. Its totient is φ = 1244053248.

The previous prime is 1244053247. The next prime is 1244053271. The reversal of 1244053249 is 9423504421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1221013249 + 23040000 = 34943^2 + 4800^2 .

It is a cyclic number.

It is not a de Polignac number, because 1244053249 - 2¹ = 1244053247 is a prime.

Together with 1244053247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1244053241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622026624 + 622026625.

It is an arithmetic number, because the mean of its divisors is an integer number (622026625).

Almost surely, 2^1244053249 is an apocalyptic number.

It is an amenable number.

1244053249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244053249 is an equidigital number, since it uses as much as digits as its factorization.

1244053249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1244053249 is about 35271.1390374623. The cubic root of 1244053249 is about 1075.5063773347.

The spelling of 1244053249 in words is "one billion, two hundred forty-four million, fifty-three thousand, two hundred forty-nine".