1227744 has 144 divisors (see below), whose sum is σ = 4309200. Its totient is φ = 338688.

The previous prime is 1227719. The next prime is 1227769. The reversal of 1227744 is 4477221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1227719) and next prime (1227769).

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42322 + ... + 42350.

It is an arithmetic number, because the mean of its divisors is an integer number (29925).

2^1227744 is an apocalyptic number.

1227744 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 1227744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2154600).

1227744 is an abundant number, since it is smaller than the sum of its proper divisors (3081456).

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

1227744 is a wasteful number, since it uses less digits than its factorization.

1227744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62 (or 41 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 1227744 is about 1108.0361004949. The cubic root of 1227744 is about 107.0785808762.

It can be divided in two parts, 12277 and 44, that added together give a palindrome (12321).

The spelling of 1227744 in words is "one million, two hundred twenty-seven thousand, seven hundred forty-four".