3123124242 has 64 divisors (see below), whose sum is σ = 7361722368. Its totient is φ = 864720000.

The previous prime is 3123124241. The next prime is 3123124267. The reversal of 3123124242 is 2424213213.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3123124241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254017 + ... + 266027.

It is an arithmetic number, because the mean of its divisors is an integer number (115026912).

Almost surely, 2^3123124242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3123124242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3680861184).

3123124242 is an abundant number, since it is smaller than the sum of its proper divisors (4238598126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3123124242 is a wasteful number, since it uses less digits than its factorization.

3123124242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12215.

The product of its digits is 2304, while the sum is 24.

The square root of 3123124242 is about 55884.9196295387. The cubic root of 3123124242 is about 1461.7162905771.

Adding to 3123124242 its reverse (2424213213), we get a palindrome (5547337455).

The spelling of 3123124242 in words is "three billion, one hundred twenty-three million, one hundred twenty-four thousand, two hundred forty-two".