2124813601 has 2 divisors, whose sum is σ = 2124813602. Its totient is φ = 2124813600.

The previous prime is 2124813599. The next prime is 2124813611. The reversal of 2124813601 is 1063184212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1855886400 + 268927201 = 43080^2 + 16399^2 .

It is a cyclic number.

It is not a de Polignac number, because 2124813601 - 2¹ = 2124813599 is a prime.

Together with 2124813599, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2124813601.

It is not a weakly prime, because it can be changed into another prime (2124813611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062406800 + 1062406801.

It is an arithmetic number, because the mean of its divisors is an integer number (1062406801).

Almost surely, 2^2124813601 is an apocalyptic number.

It is an amenable number.

2124813601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124813601 is an equidigital number, since it uses as much as digits as its factorization.

2124813601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2124813601 is about 46095.7004611059. The cubic root of 2124813601 is about 1285.6032033031.

Adding to 2124813601 its reverse (1063184212), we get a palindrome (3187997813).

The spelling of 2124813601 in words is "two billion, one hundred twenty-four million, eight hundred thirteen thousand, six hundred one".