11242770 has 128 divisors (see below), whose sum is σ = 34947072. Its totient is φ = 2246400.

The previous prime is 11242769. The next prime is 11242787. The reversal of 11242770 is 7724211.

It is a self number, because there is not a number n which added to its sum of digits gives 11242770.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 71532 + ... + 71688.

It is an arithmetic number, because the mean of its divisors is an integer number (273024).

Almost surely, 2^11242770 is an apocalyptic number.

11242770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11242770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17473536).

11242770 is an abundant number, since it is smaller than the sum of its proper divisors (23704302).

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

11242770 is a wasteful number, since it uses less digits than its factorization.

11242770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 11242770 is about 3353.0240082648. The cubic root of 11242770 is about 224.0222262172.

Adding to 11242770 its reverse (7724211), we get a palindrome (18966981).

The spelling of 11242770 in words is "eleven million, two hundred forty-two thousand, seven hundred seventy".