1126239228 has 60 divisors (see below), whose sum is σ = 2953942992. Its totient is φ = 374172480.

The previous prime is 1126239227. The next prime is 1126239251. The reversal of 1126239228 is 8229326211.

It is a happy number.

1126239228 is a `hidden beast` number, since 1 + 1 + 2 + 623 + 9 + 2 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1126239192 and 1126239201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126239227) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 95176 + ... + 106352.

Almost surely, 2^1126239228 is an apocalyptic number.

1126239228 is a gapful number since it is divisible by the number (18) 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 1126239228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1476971496).

1126239228 is an abundant number, since it is smaller than the sum of its proper divisors (1827703764).

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

1126239228 is a wasteful number, since it uses less digits than its factorization.

1126239228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11504 (or 11493 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 1126239228 is about 33559.4878983574. The cubic root of 1126239228 is about 1040.4236525954.

The spelling of 1126239228 in words is "one billion, one hundred twenty-six million, two hundred thirty-nine thousand, two hundred twenty-eight".