1149744 has 40 divisors (see below), whose sum is σ = 3147120. Its totient is φ = 360448.

The previous prime is 1149737. The next prime is 1149749. The reversal of 1149744 is 4479411.

It is a super-2 number, since 2×1149744² = 2643822531072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1149749) 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, 112 + ... + 1520.

It is an arithmetic number, because the mean of its divisors is an integer number (78678).

2^1149744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1149744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1573560).

1149744 is an abundant number, since it is smaller than the sum of its proper divisors (1997376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1149744 is a wasteful number, since it uses less digits than its factorization.

1149744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437 (or 1431 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 1149744 is about 1072.2611622175. The cubic root of 1149744 is about 104.7611805801.

The spelling of 1149744 in words is "one million, one hundred forty-nine thousand, seven hundred forty-four".