126809648 has 60 divisors (see below), whose sum is σ = 300884760. Its totient is φ = 51480576.

The previous prime is 126809611. The next prime is 126809651. The reversal of 126809648 is 846908621.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 126809599 and 126809608.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10640 + ... + 19152.

It is an arithmetic number, because the mean of its divisors is an integer number (5014746).

Almost surely, 2^126809648 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 126809648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150442380).

126809648 is an abundant number, since it is smaller than the sum of its proper divisors (174075112).

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

126809648 is a wasteful number, since it uses less digits than its factorization.

126809648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8554 (or 8541 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 126809648 is about 11260.9789982932. The cubic root of 126809648 is about 502.4013129302.

The spelling of 126809648 in words is "one hundred twenty-six million, eight hundred nine thousand, six hundred forty-eight".