2124520005 has 32 divisors (see below), whose sum is σ = 3755683584. Its totient is φ = 1020056576.

The previous prime is 2124520003. The next prime is 2124520037. The reversal of 2124520005 is 5000254212.

It is a happy number.

It is not a de Polignac number, because 2124520005 - 2¹ = 2124520003 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124520003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175254 + ... + 186983.

It is an arithmetic number, because the mean of its divisors is an integer number (117365112).

Almost surely, 2^2124520005 is an apocalyptic number.

It is an amenable number.

2124520005 is a deficient number, since it is larger than the sum of its proper divisors (1631163579).

2124520005 is a wasteful number, since it uses less digits than its factorization.

2124520005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362285.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2124520005 is about 46092.5157156777. The cubic root of 2124520005 is about 1285.5439878588.

Adding to 2124520005 its reverse (5000254212), we get a palindrome (7124774217).

The spelling of 2124520005 in words is "two billion, one hundred twenty-four million, five hundred twenty thousand, five".