1155244 has 24 divisors (see below), whose sum is σ = 2187360. Its totient is φ = 532224.

The previous prime is 1155239. The next prime is 1155247. The reversal of 1155244 is 4425511.

It is not an unprimeable number, because it can be changed into a prime (1155247) 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, 2452 + ... + 2884.

It is an arithmetic number, because the mean of its divisors is an integer number (91140).

2^1155244 is an apocalyptic number.

It is an amenable number.

1155244 is a deficient number, since it is larger than the sum of its proper divisors (1032116).

1155244 is a wasteful number, since it uses less digits than its factorization.

1155244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 487 counting only the distinct ones).

The product of its digits is 800, while the sum is 22.

The square root of 1155244 is about 1074.8227760892. The cubic root of 1155244 is about 104.9279626824.

It can be divided in two parts, 11 and 55244, that added together give a palindrome (55255).

The spelling of 1155244 in words is "one million, one hundred fifty-five thousand, two hundred forty-four".