1191344 has 40 divisors (see below), whose sum is σ = 2880768. Its totient is φ = 463680.

The previous prime is 1191341. The next prime is 1191347. The reversal of 1191344 is 4431911.

1191344 = T₁₃₆ + T₁₃₇ + ... + T₂₁₂.

It is an interprime number because it is at equal distance from previous prime (1191341) and next prime (1191347).

It is not an unprimeable number, because it can be changed into a prime (1191341) 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, 749 + ... + 1715.

2^1191344 is an apocalyptic number.

1191344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1191344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1440384).

1191344 is an abundant number, since it is smaller than the sum of its proper divisors (1689424).

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

1191344 is a wasteful number, since it uses less digits than its factorization.

1191344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993 (or 987 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

The square root of 1191344 is about 1091.4870590163. The cubic root of 1191344 is about 106.0097297346.

The spelling of 1191344 in words is "one million, one hundred ninety-one thousand, three hundred forty-four".