1122256 has 10 divisors (see below), whose sum is σ = 2174402. Its totient is φ = 561120.

The previous prime is 1122241. The next prime is 1122259. The reversal of 1122256 is 6522211.

It can be written as a sum of positive squares in only one way, i.e., 1032256 + 90000 = 1016^2 + 300^2 .

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35055 + ... + 35086.

2^1122256 is an apocalyptic number.

1122256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1122256 is a deficient number, since it is larger than the sum of its proper divisors (1052146).

1122256 is an equidigital number, since it uses as much as digits as its factorization.

1122256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70149 (or 70143 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 1122256 is about 1059.3658480431. The cubic root of 1122256 is about 103.9195630501.

Adding to 1122256 its reverse (6522211), we get a palindrome (7644467).

It can be divided in two parts, 1122 and 256, that added together give a triangular number (1378 = T₅₂).

The spelling of 1122256 in words is "one million, one hundred twenty-two thousand, two hundred fifty-six".