126281712 has 160 divisors (see below), whose sum is σ = 365333760. Its totient is φ = 37416960.

The previous prime is 126281677. The next prime is 126281713. The reversal of 126281712 is 217182621.

It is a self number, because there is not a number n which added to its sum of digits gives 126281712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126281713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2070162 + ... + 2070222.

It is an arithmetic number, because the mean of its divisors is an integer number (2283336).

Almost surely, 2^126281712 is an apocalyptic number.

126281712 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 126281712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182666880).

126281712 is an abundant number, since it is smaller than the sum of its proper divisors (239052048).

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

126281712 is a wasteful number, since it uses less digits than its factorization.

126281712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 185 counting only the distinct ones).

The product of its digits is 2688, while the sum is 30.

The square root of 126281712 is about 11237.5136039962. The cubic root of 126281712 is about 501.7031413653.

Subtracting 126281712 from its reverse (217182621), we obtain a palindrome (90900909).

The spelling of 126281712 in words is "one hundred twenty-six million, two hundred eighty-one thousand, seven hundred twelve".