1123276 has 36 divisors (see below), whose sum is σ = 2499336. Its totient is φ = 436800.

The previous prime is 1123267. The next prime is 1123279. The reversal of 1123276 is 6723211.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1123279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1896 + ... + 2416.

It is an arithmetic number, because the mean of its divisors is an integer number (69426).

2^1123276 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 1123276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1249668).

1123276 is an abundant number, since it is smaller than the sum of its proper divisors (1376060).

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

1123276 is a wasteful number, since it uses less digits than its factorization.

1123276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 541 counting only the distinct ones).

The product of its digits is 504, while the sum is 22.

The square root of 1123276 is about 1059.8471587922. The cubic root of 1123276 is about 103.9510371098.

Adding to 1123276 its reverse (6723211), we get a palindrome (7846487).

It can be divided in two parts, 11 and 23276, that multiplied together give a square (256036 = 506²).

The spelling of 1123276 in words is "one million, one hundred twenty-three thousand, two hundred seventy-six".