2120431124 has 36 divisors (see below), whose sum is σ = 4382132832. Its totient is φ = 879430320.

The previous prime is 2120431087. The next prime is 2120431147. The reversal of 2120431124 is 4211340212.

It is a junction number, because it is equal to n+sod(n) for n = 2120431096 and 2120431105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12494 + ... + 66309.

It is an arithmetic number, because the mean of its divisors is an integer number (121725912).

Almost surely, 2^2120431124 is an apocalyptic number.

It is an amenable number.

2120431124 is an abundant number, since it is smaller than the sum of its proper divisors (2261701708).

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

2120431124 is a wasteful number, since it uses less digits than its factorization.

2120431124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78876 (or 78843 counting only the distinct ones).

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

The square root of 2120431124 is about 46048.1392023608. The cubic root of 2120431124 is about 1284.7187328698.

Adding to 2120431124 its reverse (4211340212), we get a palindrome (6331771336).

The spelling of 2120431124 in words is "two billion, one hundred twenty million, four hundred thirty-one thousand, one hundred twenty-four".