2120355124 has 24 divisors (see below), whose sum is σ = 3951625608. Its totient is φ = 992040960.

The previous prime is 2120355077. The next prime is 2120355161. The reversal of 2120355124 is 4215530212.

It can be written as a sum of positive squares in 4 ways, for example, as 411359524 + 1708995600 = 20282^2 + 41340^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78357 + ... + 101884.

It is an arithmetic number, because the mean of its divisors is an integer number (164651067).

Almost surely, 2^2120355124 is an apocalyptic number.

It is an amenable number.

2120355124 is a deficient number, since it is larger than the sum of its proper divisors (1831270484).

2120355124 is a wasteful number, since it uses less digits than its factorization.

2120355124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180435 (or 180433 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2120355124 is about 46047.3139716097. The cubic root of 2120355124 is about 1284.7033838229.

Adding to 2120355124 its reverse (4215530212), we get a palindrome (6335885336).

The spelling of 2120355124 in words is "two billion, one hundred twenty million, three hundred fifty-five thousand, one hundred twenty-four".