126858859753 has 2 divisors, whose sum is σ = 126858859754. Its totient is φ = 126858859752.

The previous prime is 126858859733. The next prime is 126858859861. The reversal of 126858859753 is 357958858621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122978566489 + 3880293264 = 350683^2 + 62292^2 .

It is a cyclic number.

It is not a de Polignac number, because 126858859753 - 2²¹ = 126856762601 is a prime.

It is not a weakly prime, because it can be changed into another prime (126858859703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63429429876 + 63429429877.

It is an arithmetic number, because the mean of its divisors is an integer number (63429429877).

Almost surely, 2^126858859753 is an apocalyptic number.

It is an amenable number.

126858859753 is a deficient number, since it is larger than the sum of its proper divisors (1).

126858859753 is an equidigital number, since it uses as much as digits as its factorization.

126858859753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152000, while the sum is 67.

The spelling of 126858859753 in words is "one hundred twenty-six billion, eight hundred fifty-eight million, eight hundred fifty-nine thousand, seven hundred fifty-three".