1099152 has 60 divisors (see below), whose sum is σ = 3264300. Its totient is φ = 344064.

The previous prime is 1099139. The next prime is 1099171. The reversal of 1099152 is 2519901.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 767376 + 331776 = 876^2 + 576^2 .

1099152 is a Rhonda number in base 15.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2224 + ... + 2672.

It is an arithmetic number, because the mean of its divisors is an integer number (54405).

2^1099152 is an apocalyptic number.

1099152 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 1099152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1632150).

1099152 is an abundant number, since it is smaller than the sum of its proper divisors (2165148).

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

1099152 is a wasteful number, since it uses less digits than its factorization.

1099152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 1099152 is about 1048.4045020888. The cubic root of 1099152 is about 103.2014782554.

It can be divided in two parts, 109 and 9152, that added together give a cube (9261 = 21³).

The spelling of 1099152 in words is "one million, ninety-nine thousand, one hundred fifty-two".