1117449 has 8 divisors (see below), whose sum is σ = 1655520. Its totient is φ = 744948.

The previous prime is 1117439. The next prime is 1117451. The reversal of 1117449 is 9447111.

It is not a de Polignac number, because 1117449 - 2⁴ = 1117433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 41387 = 1117449 / (1 + 1 + 1 + 7 + 4 + 4 + 9).

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1117439) 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 in 7 ways as a sum of consecutive naturals, for example, 20667 + ... + 20720.

It is an arithmetic number, because the mean of its divisors is an integer number (206940).

2^1117449 is an apocalyptic number.

It is an amenable number.

1117449 is a deficient number, since it is larger than the sum of its proper divisors (538071).

1117449 is an equidigital number, since it uses as much as digits as its factorization.

1117449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41396 (or 41390 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 1117449 is about 1057.0946031458. The cubic root of 1117449 is about 103.7709765492.

The spelling of 1117449 in words is "one million, one hundred seventeen thousand, four hundred forty-nine".