1122481 has 2 divisors, whose sum is σ = 1122482. Its totient is φ = 1122480.

The previous prime is 1122467. The next prime is 1122491. The reversal of 1122481 is 1842211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 810000 + 312481 = 900^2 + 559^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122481 - 2⁵ = 1122449 is a prime.

It is a super-2 number, since 2×1122481² = 2519927190722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1122431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561240 + 561241.

It is an arithmetic number, because the mean of its divisors is an integer number (561241).

2^1122481 is an apocalyptic number.

It is an amenable number.

1122481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122481 is an equidigital number, since it uses as much as digits as its factorization.

1122481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 128, while the sum is 19.

The square root of 1122481 is about 1059.4720383285. The cubic root of 1122481 is about 103.9265074963.

Adding to 1122481 its reverse (1842211), we get a palindrome (2964692).

The spelling of 1122481 in words is "one million, one hundred twenty-two thousand, four hundred eighty-one".