2124201505 has 16 divisors (see below), whose sum is σ = 2615526144. Its totient is φ = 1655256960.

The previous prime is 2124201491. The next prime is 2124201511. The reversal of 2124201505 is 5051024212.

It is not a de Polignac number, because 2124201505 - 2⁵ = 2124201473 is a prime.

It is a Duffinian 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, 65445 + ... + 92365.

It is an arithmetic number, because the mean of its divisors is an integer number (163470384).

Almost surely, 2^2124201505 is an apocalyptic number.

It is an amenable number.

2124201505 is a deficient number, since it is larger than the sum of its proper divisors (491324639).

2124201505 is a wasteful number, since it uses less digits than its factorization.

2124201505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27336.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 2124201505 is about 46089.0605784062. The cubic root of 2124201505 is about 1285.4797433516.

Adding to 2124201505 its reverse (5051024212), we get a palindrome (7175225717).

The spelling of 2124201505 in words is "two billion, one hundred twenty-four million, two hundred one thousand, five hundred five".