126833978250 has 256 divisors, whose sum is σ = 425653263360. Its totient is φ = 27285120000.

The previous prime is 126833978221. The next prime is 126833978273. The reversal of 126833978250 is 52879338621.

126833978250 is a `hidden beast` number, since 126 + 8 + 3 + 397 + 82 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 724300 + ... + 882200.

It is an arithmetic number, because the mean of its divisors is an integer number (1662708060).

Almost surely, 2^126833978250 is an apocalyptic number.

126833978250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 126833978250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212826631680).

126833978250 is an abundant number, since it is smaller than the sum of its proper divisors (298819285110).

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

126833978250 is a wasteful number, since it uses less digits than its factorization.

126833978250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157951 (or 157935 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 126833978250 in words is "one hundred twenty-six billion, eight hundred thirty-three million, nine hundred seventy-eight thousand, two hundred fifty".