1118592 has 48 divisors (see below), whose sum is σ = 3222180. Its totient is φ = 372480.

The previous prime is 1118569. The next prime is 1118599. The reversal of 1118592 is 2958111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 667 + ... + 1637.

2^1118592 is an apocalyptic number.

1118592 is a gapful number since it is divisible by the number (12) 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 1118592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1611090).

1118592 is an abundant number, since it is smaller than the sum of its proper divisors (2103588).

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

1118592 is an equidigital number, since it uses as much as digits as its factorization.

1118592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991 (or 976 counting only the distinct ones).

The product of its digits is 720, while the sum is 27.

The square root of 1118592 is about 1057.6350977535. The cubic root of 1118592 is about 103.8063457423.

The spelling of 1118592 in words is "one million, one hundred eighteen thousand, five hundred ninety-two".