126446217782 has 8 divisors (see below), whose sum is σ = 193247993376. Its totient is φ = 62030219992.

The previous prime is 126446217749. The next prime is 126446217797. The reversal of 126446217782 is 287712644621.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 126446217782.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596444318 + ... + 596444529.

It is an arithmetic number, because the mean of its divisors is an integer number (24155999172).

Almost surely, 2^126446217782 is an apocalyptic number.

126446217782 is a deficient number, since it is larger than the sum of its proper divisors (66801775594).

126446217782 is a wasteful number, since it uses less digits than its factorization.

126446217782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192888902.

The product of its digits is 1806336, while the sum is 50.

The spelling of 126446217782 in words is "one hundred twenty-six billion, four hundred forty-six million, two hundred seventeen thousand, seven hundred eighty-two".