2151124304 has 60 divisors (see below), whose sum is σ = 4902894900. Its totient is φ = 911522304.

The previous prime is 2151124279. The next prime is 2151124319. The reversal of 2151124304 is 4034211512.

It can be written as a sum of positive squares in 2 ways, for example, as 1193840704 + 957283600 = 34552^2 + 30940^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2151124304.

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, 54362 + ... + 85190.

It is an arithmetic number, because the mean of its divisors is an integer number (81714915).

Almost surely, 2^2151124304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2151124304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2451447450).

2151124304 is an abundant number, since it is smaller than the sum of its proper divisors (2751770596).

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

2151124304 is a wasteful number, since it uses less digits than its factorization.

2151124304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30940 (or 30927 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2151124304 is about 46380.2145747516. The cubic root of 2151124304 is about 1290.8878178168.

Adding to 2151124304 its reverse (4034211512), we get a palindrome (6185335816).

The spelling of 2151124304 in words is "two billion, one hundred fifty-one million, one hundred twenty-four thousand, three hundred four".