11247120 has 160 divisors (see below), whose sum is σ = 39997440. Its totient is φ = 2903040.

The previous prime is 11247109. The next prime is 11247121. The reversal of 11247120 is 2174211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11247093 and 11247102.

It is not an unprimeable number, because it can be changed into a prime (11247121) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 88497 + ... + 88623.

It is an arithmetic number, because the mean of its divisors is an integer number (249984).

Almost surely, 2^11247120 is an apocalyptic number.

11247120 is a gapful number since it is divisible by the number (10) 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 11247120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19998720).

11247120 is an abundant number, since it is smaller than the sum of its proper divisors (28750320).

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

11247120 is a wasteful number, since it uses less digits than its factorization.

11247120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 11247120 is about 3353.6726137177. The cubic root of 11247120 is about 224.0511150357.

The spelling of 11247120 in words is "eleven million, two hundred forty-seven thousand, one hundred twenty".