1200126058787 has 2 divisors, whose sum is σ = 1200126058788. Its totient is φ = 1200126058786.

The previous prime is 1200126058751. The next prime is 1200126058843. The reversal of 1200126058787 is 7878506210021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1200126058787 - 2⁶ = 1200126058723 is a prime.

It is a super-2 number, since 2×1200126058787² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1200126058727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600063029393 + 600063029394.

It is an arithmetic number, because the mean of its divisors is an integer number (600063029394).

Almost surely, 2^{1200126058787} is an apocalyptic number.

1200126058787 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200126058787 is an equidigital number, since it uses as much as digits as its factorization.

1200126058787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 376320, while the sum is 47.

The spelling of 1200126058787 in words is "one trillion, two hundred billion, one hundred twenty-six million, fifty-eight thousand, seven hundred eighty-seven".