2122507073 has 4 divisors (see below), whose sum is σ = 2122731348. Its totient is φ = 2122282800.

The previous prime is 2122507033. The next prime is 2122507099. The reversal of 2122507073 is 3707052212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2099197489 + 23309584 = 45817^2 + 4828^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122507073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122507033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97286 + ... + 117087.

It is an arithmetic number, because the mean of its divisors is an integer number (530682837).

Almost surely, 2^2122507073 is an apocalyptic number.

It is an amenable number.

2122507073 is a deficient number, since it is larger than the sum of its proper divisors (224275).

2122507073 is an equidigital number, since it uses as much as digits as its factorization.

2122507073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224274.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 2122507073 is about 46070.6747617180. The cubic root of 2122507073 is about 1285.1378521482.

Adding to 2122507073 its reverse (3707052212), we get a palindrome (5829559285).

The spelling of 2122507073 in words is "two billion, one hundred twenty-two million, five hundred seven thousand, seventy-three".