1126838178 has 72 divisors (see below), whose sum is σ = 2528757504. Its totient is φ = 362623680.

The previous prime is 1126838173. The next prime is 1126838197. The reversal of 1126838178 is 8718386211.

It is a happy number.

1126838178 is a `hidden beast` number, since 1 + 1 + 268 + 381 + 7 + 8 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1126838171) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5052975 + ... + 5053197.

It is an arithmetic number, because the mean of its divisors is an integer number (35121632).

Almost surely, 2^1126838178 is an apocalyptic number.

1126838178 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1126838178 is an abundant number, since it is smaller than the sum of its proper divisors (1401919326).

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

1126838178 is a wasteful number, since it uses less digits than its factorization.

1126838178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 436 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The square root of 1126838178 is about 33568.4104181297. The cubic root of 1126838178 is about 1040.6080572628.

The spelling of 1126838178 in words is "one billion, one hundred twenty-six million, eight hundred thirty-eight thousand, one hundred seventy-eight".