3123249 has 4 divisors (see below), whose sum is σ = 4164336. Its totient is φ = 2082164.

The previous prime is 3123233. The next prime is 3123287. The reversal of 3123249 is 9423213.

3123249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3123249 - 2⁴ = 3123233 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3123209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520539 + ... + 520544.

It is an arithmetic number, because the mean of its divisors is an integer number (1041084).

Almost surely, 2^3123249 is an apocalyptic number.

It is an amenable number.

3123249 is a deficient number, since it is larger than the sum of its proper divisors (1041087).

3123249 is a wasteful number, since it uses less digits than its factorization.

3123249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041086.

The product of its digits is 1296, while the sum is 24.

The square root of 3123249 is about 1767.2716259817. The cubic root of 3123249 is about 146.1735753820.

The spelling of 3123249 in words is "three million, one hundred twenty-three thousand, two hundred forty-nine".