3124039909 has 16 divisors (see below), whose sum is σ = 3226817776. Its totient is φ = 3023308800.

The previous prime is 3124039871. The next prime is 3124039921. The reversal of 3124039909 is 9099304213.

It can be written as a sum of positive squares in 8 ways, for example, as 261468900 + 2862571009 = 16170^2 + 53503^2 .

It is a cyclic number.

It is not a de Polignac number, because 3124039909 - 2²¹ = 3121942757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3124039979) 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, 1069519 + ... + 1072435.

It is an arithmetic number, because the mean of its divisors is an integer number (201676111).

Almost surely, 2^3124039909 is an apocalyptic number.

It is an amenable number.

3124039909 is a deficient number, since it is larger than the sum of its proper divisors (102777867).

3124039909 is a wasteful number, since it uses less digits than its factorization.

3124039909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 3124039909 is about 55893.1114628628. Note that the first 3 decimals coincide. The cubic root of 3124039909 is about 1461.8591298712.

The spelling of 3124039909 in words is "three billion, one hundred twenty-four million, thirty-nine thousand, nine hundred nine".