126711340 has 48 divisors (see below), whose sum is σ = 309863232. Its totient is φ = 42621696.

The previous prime is 126711311. The next prime is 126711341. The reversal of 126711340 is 43117621.

It is not an unprimeable number, because it can be changed into a prime (126711341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1119 + ... + 15958.

It is an arithmetic number, because the mean of its divisors is an integer number (6455484).

Almost surely, 2^126711340 is an apocalyptic number.

126711340 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 126711340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154931616).

126711340 is an abundant number, since it is smaller than the sum of its proper divisors (183151892).

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

126711340 is a wasteful number, since it uses less digits than its factorization.

126711340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17146 (or 17144 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 126711340 is about 11256.6131673785. The cubic root of 126711340 is about 502.2714520518.

Adding to 126711340 its reverse (43117621), we get a palindrome (169828961).

The spelling of 126711340 in words is "one hundred twenty-six million, seven hundred eleven thousand, three hundred forty".