2122136245 has 16 divisors (see below), whose sum is σ = 2604349440. Its totient is φ = 1659285504.

The previous prime is 2122136167. The next prime is 2122136257. The reversal of 2122136245 is 5426312212.

It is a cyclic number.

It is not a de Polignac number, because 2122136245 - 2¹¹ = 2122134197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174844 + ... + 186586.

It is an arithmetic number, because the mean of its divisors is an integer number (162771840).

Almost surely, 2^2122136245 is an apocalyptic number.

It is an amenable number.

2122136245 is a deficient number, since it is larger than the sum of its proper divisors (482213195).

2122136245 is a wasteful number, since it uses less digits than its factorization.

2122136245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12564.

The product of its digits is 5760, while the sum is 28.

The square root of 2122136245 is about 46066.6500301465. The cubic root of 2122136245 is about 1285.0630046777.

Adding to 2122136245 its reverse (5426312212), we get a palindrome (7548448457).

The spelling of 2122136245 in words is "two billion, one hundred twenty-two million, one hundred thirty-six thousand, two hundred forty-five".