2124388742 has 16 divisors (see below), whose sum is σ = 3654684672. Its totient is φ = 907233480.

The previous prime is 2124388741. The next prime is 2124388757. The reversal of 2124388742 is 2478834212.

It is a self number, because there is not a number n which added to its sum of digits gives 2124388742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124388741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264134 + ... + 272057.

It is an arithmetic number, because the mean of its divisors is an integer number (228417792).

Almost surely, 2^2124388742 is an apocalyptic number.

2124388742 is a deficient number, since it is larger than the sum of its proper divisors (1530295930).

2124388742 is a wasteful number, since it uses less digits than its factorization.

2124388742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536483.

The product of its digits is 172032, while the sum is 41.

The square root of 2124388742 is about 46091.0917857236. The cubic root of 2124388742 is about 1285.5175116296.

The spelling of 2124388742 in words is "two billion, one hundred twenty-four million, three hundred eighty-eight thousand, seven hundred forty-two".