126722786087 has 2 divisors, whose sum is σ = 126722786088. Its totient is φ = 126722786086.

The previous prime is 126722786063. The next prime is 126722786143. The reversal of 126722786087 is 780687227621.

It is an a-pointer prime, because the next prime (126722786143) can be obtained adding 126722786087 to its sum of digits (56).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126722786087 - 2¹⁴ = 126722769703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126722786587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63361393043 + 63361393044.

It is an arithmetic number, because the mean of its divisors is an integer number (63361393044).

Almost surely, 2^126722786087 is an apocalyptic number.

126722786087 is a deficient number, since it is larger than the sum of its proper divisors (1).

126722786087 is an equidigital number, since it uses as much as digits as its factorization.

126722786087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6322176, while the sum is 56.

The spelling of 126722786087 in words is "one hundred twenty-six billion, seven hundred twenty-two million, seven hundred eighty-six thousand, eighty-seven".