2124321542 has 32 divisors (see below), whose sum is σ = 3662358528. Its totient is φ = 905276736.

The previous prime is 2124321541. The next prime is 2124321553. The reversal of 2124321542 is 2451234212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124321541) 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 15 ways as a sum of consecutive naturals, for example, 3499403 + ... + 3500009.

It is an arithmetic number, because the mean of its divisors is an integer number (114448704).

Almost surely, 2^2124321542 is an apocalyptic number.

2124321542 is a deficient number, since it is larger than the sum of its proper divisors (1538036986).

2124321542 is a wasteful number, since it uses less digits than its factorization.

2124321542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620.

The product of its digits is 3840, while the sum is 26.

The square root of 2124321542 is about 46090.3627887653. The cubic root of 2124321542 is about 1285.5039567207.

Adding to 2124321542 its reverse (2451234212), we get a palindrome (4575555754).

The spelling of 2124321542 in words is "two billion, one hundred twenty-four million, three hundred twenty-one thousand, five hundred forty-two".