11243001 has 48 divisors (see below), whose sum is σ = 20191680. Its totient is φ = 5483520.

The previous prime is 11242999. The next prime is 11243009. The reversal of 11243001 is 10034211.

It is a happy number.

It is not a de Polignac number, because 11243001 - 2¹ = 11242999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11243009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27285 + ... + 27693.

It is an arithmetic number, because the mean of its divisors is an integer number (420660).

Almost surely, 2^11243001 is an apocalyptic number.

11243001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11243001 is a deficient number, since it is larger than the sum of its proper divisors (8948679).

11243001 is a wasteful number, since it uses less digits than its factorization.

11243001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11243001 is about 3353.0584546053. The cubic root of 11243001 is about 224.0237605004.

Adding to 11243001 its reverse (10034211), we get a palindrome (21277212).

The spelling of 11243001 in words is "eleven million, two hundred forty-three thousand, one".