2124720338 has 32 divisors (see below), whose sum is σ = 3532165056. Its totient is φ = 952198848.

The previous prime is 2124720337. The next prime is 2124720349. The reversal of 2124720338 is 8330274212.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2124720337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 539645 + ... + 543567.

It is an arithmetic number, because the mean of its divisors is an integer number (110380158).

Almost surely, 2^2124720338 is an apocalyptic number.

2124720338 is a deficient number, since it is larger than the sum of its proper divisors (1407444718).

2124720338 is a wasteful number, since it uses less digits than its factorization.

2124720338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4538.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 2124720338 is about 46094.6888263713. The cubic root of 2124720338 is about 1285.5843936585.

The spelling of 2124720338 in words is "two billion, one hundred twenty-four million, seven hundred twenty thousand, three hundred thirty-eight".