1118449 has 8 divisors (see below), whose sum is σ = 1168640. Its totient is φ = 1069200.

The previous prime is 1118441. The next prime is 1118479. The reversal of 1118449 is 9448111.

1118449 = T₈₆₂ + T₈₆₃ + T₈₆₄.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1118449 - 2³ = 1118441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1118441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3214 + ... + 3544.

It is an arithmetic number, because the mean of its divisors is an integer number (146080).

2^1118449 is an apocalyptic number.

1118449 is the 864-th centered triangular number.

It is an amenable number.

1118449 is a deficient number, since it is larger than the sum of its proper divisors (50191).

1118449 is a wasteful number, since it uses less digits than its factorization.

1118449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471.

The product of its digits is 1152, while the sum is 28.

The square root of 1118449 is about 1057.5674919361. The cubic root of 1118449 is about 103.8019220442.

The spelling of 1118449 in words is "one million, one hundred eighteen thousand, four hundred forty-nine".