3124409 has 2 divisors, whose sum is σ = 3124410. Its totient is φ = 3124408.

The previous prime is 3124399. The next prime is 3124421. The reversal of 3124409 is 9044213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2941225 + 183184 = 1715^2 + 428^2 .

It is a cyclic number.

It is not a de Polignac number, because 3124409 - 2⁴ = 3124393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3124469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562204 + 1562205.

It is an arithmetic number, because the mean of its divisors is an integer number (1562205).

Almost surely, 2^3124409 is an apocalyptic number.

It is an amenable number.

3124409 is a deficient number, since it is larger than the sum of its proper divisors (1).

3124409 is an equidigital number, since it uses as much as digits as its factorization.

3124409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 3124409 is about 1767.5997850192. The cubic root of 3124409 is about 146.1916698257.

The spelling of 3124409 in words is "three million, one hundred twenty-four thousand, four hundred nine".