126708816 has 80 divisors (see below), whose sum is σ = 354352320. Its totient is φ = 38784000.

The previous prime is 126708809. The next prime is 126708847. The reversal of 126708816 is 618807621.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156220 + ... + 157028.

It is an arithmetic number, because the mean of its divisors is an integer number (4429404).

Almost surely, 2^126708816 is an apocalyptic number.

126708816 is a gapful number since it is divisible by the number (16) 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 126708816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177176160).

126708816 is an abundant number, since it is smaller than the sum of its proper divisors (227643504).

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

126708816 is a wasteful number, since it uses less digits than its factorization.

126708816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084 (or 1078 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 126708816 is about 11256.5010549460. The cubic root of 126708816 is about 502.2681170660.

The spelling of 126708816 in words is "one hundred twenty-six million, seven hundred eight thousand, eight hundred sixteen".