1516252128 has 48 divisors (see below), whose sum is σ = 3992957136. Its totient is φ = 503792640.

The previous prime is 1516252123. The next prime is 1516252141. The reversal of 1516252128 is 8212526151.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516252123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4818 + ... + 55278.

It is an arithmetic number, because the mean of its divisors is an integer number (83186607).

Almost surely, 2^1516252128 is an apocalyptic number.

It is an amenable number.

1516252128 is an abundant number, since it is smaller than the sum of its proper divisors (2476705008).

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

1516252128 is a wasteful number, since it uses less digits than its factorization.

1516252128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50787 (or 50779 counting only the distinct ones).

The product of its digits is 9600, while the sum is 33.

The square root of 1516252128 is about 38939.0822696170. The cubic root of 1516252128 is about 1148.8336323024.

Adding to 1516252128 its reverse (8212526151), we get a palindrome (9728778279).

The spelling of 1516252128 in words is "one billion, five hundred sixteen million, two hundred fifty-two thousand, one hundred twenty-eight".