126054391705 has 8 divisors (see below), whose sum is σ = 165016658304. Its totient is φ = 91675921200.

The previous prime is 126054391633. The next prime is 126054391751. The reversal of 126054391705 is 507193450621.

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

It is not a de Polignac number, because 126054391705 - 2⁹ = 126054391193 is a prime.

It is a Duffinian 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 in 7 ways as a sum of consecutive naturals, for example, 1145948961 + ... + 1145949070.

It is an arithmetic number, because the mean of its divisors is an integer number (20627082288).

Almost surely, 2^126054391705 is an apocalyptic number.

It is an amenable number.

126054391705 is a deficient number, since it is larger than the sum of its proper divisors (38962266599).

126054391705 is a wasteful number, since it uses less digits than its factorization.

126054391705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291898047.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 126054391705 in words is "one hundred twenty-six billion, fifty-four million, three hundred ninety-one thousand, seven hundred five".