126730112 has 64 divisors (see below), whose sum is σ = 260895600. Its totient is φ = 61292544.

The previous prime is 126730103. The next prime is 126730129. The reversal of 126730112 is 211037621.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732458 + ... + 732630.

Almost surely, 2^126730112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126730112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130447800).

126730112 is an abundant number, since it is smaller than the sum of its proper divisors (134165488).

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

126730112 is an equidigital number, since it uses as much as digits as its factorization.

126730112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 126730112 is about 11257.4469574589. The cubic root of 126730112 is about 502.2962542889.

Adding to 126730112 its reverse (211037621), we get a palindrome (337767733).

The spelling of 126730112 in words is "one hundred twenty-six million, seven hundred thirty thousand, one hundred twelve".