1244130259 has 2 divisors, whose sum is σ = 1244130260. Its totient is φ = 1244130258.

The previous prime is 1244130233. The next prime is 1244130271. The reversal of 1244130259 is 9520314421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1244130259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1244130259.

It is not a weakly prime, because it can be changed into another prime (1244130299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622065129 + 622065130.

It is an arithmetic number, because the mean of its divisors is an integer number (622065130).

Almost surely, 2^1244130259 is an apocalyptic number.

1244130259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244130259 is an equidigital number, since it uses as much as digits as its factorization.

1244130259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1244130259 is about 35272.2307063219. The cubic root of 1244130259 is about 1075.5285690528.

The spelling of 1244130259 in words is "one billion, two hundred forty-four million, one hundred thirty thousand, two hundred fifty-nine".