11242403 has 4 divisors (see below), whose sum is σ = 11317008. Its totient is φ = 11167800.

The previous prime is 11242381. The next prime is 11242417. The reversal of 11242403 is 30424211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30424211 = 1153 ⋅26387.

It is a cyclic number.

It is not a de Polignac number, because 11242403 - 2¹² = 11238307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11242463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37076 + ... + 37377.

It is an arithmetic number, because the mean of its divisors is an integer number (2829252).

Almost surely, 2^11242403 is an apocalyptic number.

11242403 is a deficient number, since it is larger than the sum of its proper divisors (74605).

11242403 is an equidigital number, since it uses as much as digits as its factorization.

11242403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74604.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 11242403 is about 3352.9692811000. The cubic root of 11242403 is about 224.0197885898.

Adding to 11242403 its reverse (30424211), we get a palindrome (41666614).

The spelling of 11242403 in words is "eleven million, two hundred forty-two thousand, four hundred three".