3122121243 has 8 divisors (see below), whose sum is σ = 4164686656. Its totient is φ = 2080485000.

The previous prime is 3122121241. The next prime is 3122121251. The reversal of 3122121243 is 3421212213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3122121243 - 2¹ = 3122121241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3122121241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224413 + ... + 237918.

It is an arithmetic number, because the mean of its divisors is an integer number (520585832).

Almost surely, 2^3122121243 is an apocalyptic number.

3122121243 is a deficient number, since it is larger than the sum of its proper divisors (1042565413).

3122121243 is a wasteful number, since it uses less digits than its factorization.

3122121243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464585.

The product of its digits is 576, while the sum is 21.

The square root of 3122121243 is about 55875.9451195235. The cubic root of 3122121243 is about 1461.5597959007.

Adding to 3122121243 its reverse (3421212213), we get a palindrome (6543333456).

The spelling of 3122121243 in words is "three billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred forty-three".