1119648 has 48 divisors (see below), whose sum is σ = 2993760. Its totient is φ = 366336.

The previous prime is 1119623. The next prime is 1119649. The reversal of 1119648 is 8469111.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1119648² = 2507223287808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1119649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10218 + ... + 10326.

It is an arithmetic number, because the mean of its divisors is an integer number (62370).

2^1119648 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 1119648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1496880).

1119648 is an abundant number, since it is smaller than the sum of its proper divisors (1874112).

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

1119648 is a wasteful number, since it uses less digits than its factorization.

1119648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 221 counting only the distinct ones).

The product of its digits is 1728, while the sum is 30.

The square root of 1119648 is about 1058.1342069889. The cubic root of 1119648 is about 103.8390013856.

The spelling of 1119648 in words is "one million, one hundred nineteen thousand, six hundred forty-eight".