1122786 has 72 divisors (see below), whose sum is σ = 3023280. Its totient is φ = 299376.

The previous prime is 1122761. The next prime is 1122811. The reversal of 1122786 is 6872211.

1122786 = 95² + 96² + ... + 161².

It is an interprime number because it is at equal distance from previous prime (1122761) and next prime (1122811).

1122786 is a Rhonda number in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16725 + ... + 16791.

It is an arithmetic number, because the mean of its divisors is an integer number (41990).

2^1122786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1511640).

1122786 is an abundant number, since it is smaller than the sum of its proper divisors (1900494).

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

1122786 is a wasteful number, since it uses less digits than its factorization.

1122786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 98 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 1122786 is about 1059.6159681696. The cubic root of 1122786 is about 103.9359195975.

Adding to 1122786 its reverse (6872211), we get a palindrome (7994997).

The spelling of 1122786 in words is "one million, one hundred twenty-two thousand, seven hundred eighty-six".