3120249 has 16 divisors (see below), whose sum is σ = 4737024. Its totient is φ = 1808400.

The previous prime is 3120233. The next prime is 3120253. The reversal of 3120249 is 9420213.

It is not a de Polignac number, because 3120249 - 2⁴ = 3120233 is a prime.

It is a Curzon number.

3120249 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3121249) 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, 1297 + ... + 2814.

It is an arithmetic number, because the mean of its divisors is an integer number (296064).

Almost surely, 2^3120249 is an apocalyptic number.

It is an amenable number.

3120249 is a deficient number, since it is larger than the sum of its proper divisors (1616775).

3120249 is a wasteful number, since it uses less digits than its factorization.

3120249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4148.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 3120249 is about 1766.4226561047. The cubic root of 3120249 is about 146.1267586209.

The spelling of 3120249 in words is "three million, one hundred twenty thousand, two hundred forty-nine".