1126216 has 72 divisors (see below), whose sum is σ = 2816370. Its totient is φ = 419328.

The previous prime is 1126211. The next prime is 1126219. The reversal of 1126216 is 6126211.

It can be written as a sum of positive squares in 3 ways, for example, as 729316 + 396900 = 854^2 + 630^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1126193 and 1126202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126211) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 66240 + ... + 66256.

2^1126216 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 1126216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1408185).

1126216 is an abundant number, since it is smaller than the sum of its proper divisors (1690154).

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

1126216 is a wasteful number, since it uses less digits than its factorization.

1126216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63 (or 39 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 1126216 is about 1061.2332448618. The cubic root of 1126216 is about 104.0416499844.

It can be divided in two parts, 112 and 6216, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 1126216 in words is "one million, one hundred twenty-six thousand, two hundred sixteen".