9123249 has 16 divisors (see below), whose sum is σ = 13363200. Its totient is φ = 5510736.

The previous prime is 9123239. The next prime is 9123251. The reversal of 9123249 is 9423219.

9123249 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9123249 - 2¹² = 9119153 is a prime.

It is a Curzon number.

9123249 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9123239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2169 + ... + 4790.

It is an arithmetic number, because the mean of its divisors is an integer number (835200).

Almost surely, 2^9123249 is an apocalyptic number.

It is an amenable number.

9123249 is a deficient number, since it is larger than the sum of its proper divisors (4239951).

9123249 is a wasteful number, since it uses less digits than its factorization.

9123249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7004.

The product of its digits is 3888, while the sum is 30.

The square root of 9123249 is about 3020.4716519113. The cubic root of 9123249 is about 208.9535927121.

Subtracting from 9123249 its sum of digits (30), we obtain a palindrome (9123219).

The spelling of 9123249 in words is "nine million, one hundred twenty-three thousand, two hundred forty-nine".