11042243 has 16 divisors (see below), whose sum is σ = 12065760. Its totient is φ = 10080000.

The previous prime is 11042233. The next prime is 11042261. The reversal of 11042243 is 34224011.

It is a cyclic number.

It is not a de Polignac number, because 11042243 - 2¹² = 11038147 is a prime.

It is a super-2 number, since 2×11042243² = 243862260942098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11042233) 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 15 ways as a sum of consecutive naturals, for example, 43868 + ... + 44118.

It is an arithmetic number, because the mean of its divisors is an integer number (754110).

Almost surely, 2^11042243 is an apocalyptic number.

11042243 is a deficient number, since it is larger than the sum of its proper divisors (1023517).

11042243 is a wasteful number, since it uses less digits than its factorization.

11042243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358.

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

The square root of 11042243 is about 3322.9870598605. The cubic root of 11042243 is about 222.6823350734.

Adding to 11042243 its reverse (34224011), we get a palindrome (45266254).

The spelling of 11042243 in words is "eleven million, forty-two thousand, two hundred forty-three".