11251243 has 8 divisors (see below), whose sum is σ = 11477312. Its totient is φ = 11027016.

The previous prime is 11251213. The next prime is 11251277. The reversal of 11251243 is 34215211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11251243 - 2¹³ = 11243051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11251243.

It is not an unprimeable number, because it can be changed into a prime (11251213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20296 + ... + 20842.

It is an arithmetic number, because the mean of its divisors is an integer number (1434664).

Almost surely, 2^11251243 is an apocalyptic number.

11251243 is a deficient number, since it is larger than the sum of its proper divisors (226069).

11251243 is an equidigital number, since it uses as much as digits as its factorization.

11251243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921.

The product of its digits is 240, while the sum is 19.

The square root of 11251243 is about 3354.2872566314. The cubic root of 11251243 is about 224.0784894478.

Adding to 11251243 its reverse (34215211), we get a palindrome (45466454).

The spelling of 11251243 in words is "eleven million, two hundred fifty-one thousand, two hundred forty-three".