126678030329 has 4 divisors (see below), whose sum is σ = 126774954384. Its totient is φ = 126581106276.

The previous prime is 126678030277. The next prime is 126678030343. The reversal of 126678030329 is 923030876621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 126678030329 - 2²⁸ = 126409594873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126678030929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48460067 + ... + 48462680.

It is an arithmetic number, because the mean of its divisors is an integer number (31693738596).

Almost surely, 2^126678030329 is an apocalyptic number.

It is an amenable number.

126678030329 is a deficient number, since it is larger than the sum of its proper divisors (96924055).

126678030329 is an equidigital number, since it uses as much as digits as its factorization.

126678030329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96924054.

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 126678030329 in words is "one hundred twenty-six billion, six hundred seventy-eight million, thirty thousand, three hundred twenty-nine".