126720672000 has 576 divisors, whose sum is σ = 461230398720. Its totient is φ = 30646272000.

The previous prime is 126720671993. The next prime is 126720672079. The reversal of 126720672000 is 276027621.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73631140 + ... + 73632860.

It is an arithmetic number, because the mean of its divisors is an integer number (800747220).

Almost surely, 2^126720672000 is an apocalyptic number.

126720672000 is a gapful number since it is divisible by the number (10) 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 126720672000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230615199360).

126720672000 is an abundant number, since it is smaller than the sum of its proper divisors (334509726720).

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

126720672000 is a wasteful number, since it uses less digits than its factorization.

126720672000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827 (or 1803 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

Adding to 126720672000 its reverse (276027621), we get a palindrome (126996699621).

The spelling of 126720672000 in words is "one hundred twenty-six billion, seven hundred twenty million, six hundred seventy-two thousand".