1244138953087 has 2 divisors, whose sum is σ = 1244138953088. Its totient is φ = 1244138953086.

The previous prime is 1244138953081. The next prime is 1244138953093. The reversal of 1244138953087 is 7803598314421.

It is a balanced prime because it is at equal distance from previous prime (1244138953081) and next prime (1244138953093).

It is a cyclic number.

It is not a de Polignac number, because 1244138953087 - 2³⁵ = 1209779214719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244138953081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622069476543 + 622069476544.

It is an arithmetic number, because the mean of its divisors is an integer number (622069476544).

Almost surely, 2^{1244138953087} is an apocalyptic number.

1244138953087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244138953087 is an equidigital number, since it uses as much as digits as its factorization.

1244138953087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 1244138953087 in words is "one trillion, two hundred forty-four billion, one hundred thirty-eight million, nine hundred fifty-three thousand, eighty-seven".