126764423122 has 4 divisors (see below), whose sum is σ = 190146634686. Its totient is φ = 63382211560.

The previous prime is 126764423099. The next prime is 126764423147. The reversal of 126764423122 is 221324467621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 124355674881 + 2408748241 = 352641^2 + 49079^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31691105779 + ... + 31691105782.

Almost surely, 2^126764423122 is an apocalyptic number.

126764423122 is a deficient number, since it is larger than the sum of its proper divisors (63382211564).

126764423122 is an equidigital number, since it uses as much as digits as its factorization.

126764423122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63382211563.

The product of its digits is 193536, while the sum is 40.

The spelling of 126764423122 in words is "one hundred twenty-six billion, seven hundred sixty-four million, four hundred twenty-three thousand, one hundred twenty-two".