126730634560 has 112 divisors (see below), whose sum is σ = 308424340224. Its totient is φ = 49577289728.

The previous prime is 126730634551. The next prime is 126730634609. The reversal of 126730634560 is 65436037621.

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, 30484002 + ... + 30488158.

It is an arithmetic number, because the mean of its divisors is an integer number (2753788752).

Almost surely, 2^126730634560 is an apocalyptic number.

126730634560 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 126730634560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154212170112).

126730634560 is an abundant number, since it is smaller than the sum of its proper divisors (181693705664).

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

126730634560 is a wasteful number, since it uses less digits than its factorization.

126730634560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6248 (or 6238 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 126730634560 in words is "one hundred twenty-six billion, seven hundred thirty million, six hundred thirty-four thousand, five hundred sixty".