2143120124 has 12 divisors (see below), whose sum is σ = 3947853000. Its totient is φ = 1015162128.

The previous prime is 2143120123. The next prime is 2143120127. The reversal of 2143120124 is 4210213412.

It is a junction number, because it is equal to n+sod(n) for n = 2143120096 and 2143120105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143120123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14099399 + ... + 14099550.

It is an arithmetic number, because the mean of its divisors is an integer number (328987750).

Almost surely, 2^2143120124 is an apocalyptic number.

It is an amenable number.

2143120124 is a deficient number, since it is larger than the sum of its proper divisors (1804732876).

2143120124 is a wasteful number, since it uses less digits than its factorization.

2143120124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28198972 (or 28198970 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2143120124 is about 46293.8454224749. The cubic root of 2143120124 is about 1289.2847273634.

Adding to 2143120124 its reverse (4210213412), we get a palindrome (6353333536).

The spelling of 2143120124 in words is "two billion, one hundred forty-three million, one hundred twenty thousand, one hundred twenty-four".