126878856 has 64 divisors (see below), whose sum is σ = 356469120. Its totient is φ = 37340160.

The previous prime is 126878849. The next prime is 126878867. The reversal of 126878856 is 658878621.

It is a junction number, because it is equal to n+sod(n) for n = 126878799 and 126878808.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1665 + ... + 16016.

It is an arithmetic number, because the mean of its divisors is an integer number (5569830).

Almost surely, 2^126878856 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 126878856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178234560).

126878856 is an abundant number, since it is smaller than the sum of its proper divisors (229590264).

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

126878856 is a wasteful number, since it uses less digits than its factorization.

126878856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17726 (or 17722 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 51.

The square root of 126878856 is about 11264.0514913596. The cubic root of 126878856 is about 502.4926936390.

The spelling of 126878856 in words is "one hundred twenty-six million, eight hundred seventy-eight thousand, eight hundred fifty-six".