11123045 has 8 divisors (see below), whose sum is σ = 13566840. Its totient is φ = 8752320.

The previous prime is 11123039. The next prime is 11123069. The reversal of 11123045 is 54032111.

It can be written as a sum of positive squares in 4 ways, for example, as 40804 + 11082241 = 202^2 + 3329^2 .

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

It is not a de Polignac number, because 11123045 - 2²⁰ = 10074469 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17930 + ... + 18539.

It is an arithmetic number, because the mean of its divisors is an integer number (1695855).

Almost surely, 2^11123045 is an apocalyptic number.

It is an amenable number.

11123045 is a deficient number, since it is larger than the sum of its proper divisors (2443795).

11123045 is an equidigital number, since it uses as much as digits as its factorization.

11123045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36535.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 11123045 is about 3335.1229362649. The cubic root of 11123045 is about 223.2241774938.

Adding to 11123045 its reverse (54032111), we get a palindrome (65155156).

The spelling of 11123045 in words is "eleven million, one hundred twenty-three thousand, forty-five".