126701394432 has 80 divisors (see below), whose sum is σ = 338886247392. Its totient is φ = 42065408000.

The previous prime is 126701394431. The next prime is 126701394551. The reversal of 126701394432 is 234493107621.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (126701394431) by changing a digit.

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, 221218 + ... + 549854.

Almost surely, 2^126701394432 is an apocalyptic number.

126701394432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126701394432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169443123696).

126701394432 is an abundant number, since it is smaller than the sum of its proper divisors (212184852960).

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

126701394432 is an equidigital number, since it uses as much as digits as its factorization.

126701394432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328909 (or 328893 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 126701394432 in words is "one hundred twenty-six billion, seven hundred one million, three hundred ninety-four thousand, four hundred thirty-two".