126321671673126 has 32 divisors (see below), whose sum is σ = 283494180664800. Its totient is φ = 41690320682400.

The previous prime is 126321671673077. The next prime is 126321671673163. The reversal of 126321671673126 is 621376176123621.

126321671673126 is a `hidden beast` number, since 1 + 2 + 6 + 3 + 2 + 167 + 167 + 312 + 6 = 666.

It is a super-2 number, since 2×126321671673126² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11580639181 + ... + 11580650088.

It is an arithmetic number, because the mean of its divisors is an integer number (8859193145775).

Almost surely, 2^{126321671673126} is an apocalyptic number.

126321671673126 is an abundant number, since it is smaller than the sum of its proper divisors (157172508991674).

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

126321671673126 is a wasteful number, since it uses less digits than its factorization.

126321671673126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23161289381 (or 23161289375 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The spelling of 126321671673126 in words is "one hundred twenty-six trillion, three hundred twenty-one billion, six hundred seventy-one million, six hundred seventy-three thousand, one hundred twenty-six".