126666421302 has 16 divisors (see below), whose sum is σ = 255155382720. Its totient is φ = 41918383752.

The previous prime is 126666421199. The next prime is 126666421319. The reversal of 126666421302 is 203124666621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75938268 + ... + 75939935.

It is an arithmetic number, because the mean of its divisors is an integer number (15947211420).

Almost surely, 2^126666421302 is an apocalyptic number.

126666421302 is an abundant number, since it is smaller than the sum of its proper divisors (128488961418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126666421302 is a wasteful number, since it uses less digits than its factorization.

126666421302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151878347.

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 126666421302 in words is "one hundred twenty-six billion, six hundred sixty-six million, four hundred twenty-one thousand, three hundred two".