2124050521 has 4 divisors (see below), whose sum is σ = 2139331600. Its totient is φ = 2108769444.

The previous prime is 2124050519. The next prime is 2124050531. The reversal of 2124050521 is 1250504212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2124050521 - 2¹ = 2124050519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2124050492 and 2124050501.

It is not an unprimeable number, because it can be changed into a prime (2124050531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7640331 + ... + 7640608.

It is an arithmetic number, because the mean of its divisors is an integer number (534832900).

Almost surely, 2^2124050521 is an apocalyptic number.

It is an amenable number.

2124050521 is a deficient number, since it is larger than the sum of its proper divisors (15281079).

2124050521 is a wasteful number, since it uses less digits than its factorization.

2124050521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15281078.

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

The square root of 2124050521 is about 46087.4225901167. The cubic root of 2124050521 is about 1285.4492861858.

Adding to 2124050521 its reverse (1250504212), we get a palindrome (3374554733).

The spelling of 2124050521 in words is "two billion, one hundred twenty-four million, fifty thousand, five hundred twenty-one".