11242500 has 60 divisors (see below), whose sum is σ = 32802000. Its totient is φ = 2996000.

The previous prime is 11242481. The next prime is 11242501. The reversal of 11242500 is 524211.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11242500.

It is not an unprimeable number, because it can be changed into a prime (11242501) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6751 + ... + 8249.

It is an arithmetic number, because the mean of its divisors is an integer number (546700).

Almost surely, 2^11242500 is an apocalyptic number.

11242500 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 11242500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16401000).

11242500 is an abundant number, since it is smaller than the sum of its proper divisors (21559500).

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

11242500 is a wasteful number, since it uses less digits than its factorization.

11242500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526 (or 1509 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 11242500 is about 3352.9837458598. The cubic root of 11242500 is about 224.0204328725.

Adding to 11242500 its reverse (524211), we get a palindrome (11766711).

The spelling of 11242500 in words is "eleven million, two hundred forty-two thousand, five hundred".