1122449 has 2 divisors, whose sum is σ = 1122450. Its totient is φ = 1122448.

The previous prime is 1122437. The next prime is 1122467. The reversal of 1122449 is 9442211.

1122449 is nontrivially palindromic in base 2.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1050625 + 71824 = 1025^2 + 268^2 .

It is an emirp because it is prime and its reverse (9442211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (1122419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561224 + 561225.

It is an arithmetic number, because the mean of its divisors is an integer number (561225).

2^1122449 is an apocalyptic number.

It is an amenable number.

1122449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122449 is an equidigital number, since it uses as much as digits as its factorization.

1122449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 23.

The square root of 1122449 is about 1059.4569363594. The cubic root of 1122449 is about 103.9255198983.

The spelling of 1122449 in words is "one million, one hundred twenty-two thousand, four hundred forty-nine".