2120340124 has 24 divisors (see below), whose sum is σ = 4258437120. Its totient is φ = 904912176.

The previous prime is 2120340121. The next prime is 2120340137. The reversal of 2120340124 is 4210430212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120340121) 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 7 ways as a sum of consecutive naturals, for example, 151732 + ... + 165115.

It is an arithmetic number, because the mean of its divisors is an integer number (177434880).

Almost surely, 2^2120340124 is an apocalyptic number.

It is an amenable number.

2120340124 is an abundant number, since it is smaller than the sum of its proper divisors (2138096996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2120340124 is a wasteful number, since it uses less digits than its factorization.

2120340124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317097 (or 317095 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2120340124 is about 46047.1510953718. The cubic root of 2120340124 is about 1284.7003543624.

Adding to 2120340124 its reverse (4210430212), we get a palindrome (6330770336).

The spelling of 2120340124 in words is "two billion, one hundred twenty million, three hundred forty thousand, one hundred twenty-four".