126863408 has 80 divisors (see below), whose sum is σ = 295219200. Its totient is φ = 51667200.

The previous prime is 126863381. The next prime is 126863411. The reversal of 126863408 is 804368621.

It is a happy 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, 211493 + ... + 212091.

It is an arithmetic number, because the mean of its divisors is an integer number (3690240).

Almost surely, 2^126863408 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 126863408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147609600).

126863408 is an abundant number, since it is smaller than the sum of its proper divisors (168355792).

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

126863408 is a wasteful number, since it uses less digits than its factorization.

126863408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 126863408 is about 11263.3657491888. The cubic root of 126863408 is about 502.4722993236.

The spelling of 126863408 in words is "one hundred twenty-six million, eight hundred sixty-three thousand, four hundred eight".