2124520051 has 4 divisors (see below), whose sum is σ = 2216890512. Its totient is φ = 2032149592.

The previous prime is 2124520037. The next prime is 2124520081. The reversal of 2124520051 is 1500254212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2124520051 - 2⁷ = 2124519923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2124520081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46185196 + ... + 46185241.

It is an arithmetic number, because the mean of its divisors is an integer number (554222628).

Almost surely, 2^2124520051 is an apocalyptic number.

2124520051 is a deficient number, since it is larger than the sum of its proper divisors (92370461).

2124520051 is an equidigital number, since it uses as much as digits as its factorization.

2124520051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92370460.

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

The square root of 2124520051 is about 46092.5162146742. The cubic root of 2124520051 is about 1285.5439971370.

Adding to 2124520051 its reverse (1500254212), we get a palindrome (3624774263).

The spelling of 2124520051 in words is "two billion, one hundred twenty-four million, five hundred twenty thousand, fifty-one".