2122005243 has 8 divisors (see below), whose sum is σ = 2840099328. Its totient is φ = 1409290664.

The previous prime is 2122005239. The next prime is 2122005287. The reversal of 2122005243 is 3425002212.

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

It is a cyclic number.

It is not a de Polignac number, because 2122005243 - 2² = 2122005239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122005343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1343955 + ... + 1345532.

It is an arithmetic number, because the mean of its divisors is an integer number (355012416).

Almost surely, 2^2122005243 is an apocalyptic number.

2122005243 is a deficient number, since it is larger than the sum of its proper divisors (718094085).

2122005243 is a wasteful number, since it uses less digits than its factorization.

2122005243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689753.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2122005243 is about 46065.2281335933. The cubic root of 2122005243 is about 1285.0365613099.

Adding to 2122005243 its reverse (3425002212), we get a palindrome (5547007455).

The spelling of 2122005243 in words is "two billion, one hundred twenty-two million, five thousand, two hundred forty-three".