126997026244786 has 8 divisors (see below), whose sum is σ = 190495801535004. Its totient is φ = 63498425733120.

The previous prime is 126997026244763. The next prime is 126997026244787. The reversal of 126997026244786 is 687442620799621.

It can be written as a sum of positive squares in 2 ways, for example, as 125873118823761 + 1123907421025 = 11219319^2 + 1060145^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×126997026244786² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126997026244787) 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 in 3 ways as a sum of consecutive naturals, for example, 41862735 + ... + 44793778.

Almost surely, 2^{126997026244786} is an apocalyptic number.

126997026244786 is a deficient number, since it is larger than the sum of its proper divisors (63498775290218).

126997026244786 is an equidigital number, since it uses as much as digits as its factorization.

126997026244786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87389276.

The product of its (nonzero) digits is 877879296, while the sum is 73.

The spelling of 126997026244786 in words is "one hundred twenty-six trillion, nine hundred ninety-seven billion, twenty-six million, two hundred forty-four thousand, seven hundred eighty-six".