1520874528 has 48 divisors (see below), whose sum is σ = 4048543296. Its totient is φ = 499815680.

The previous prime is 1520874491. The next prime is 1520874533. The reversal of 1520874528 is 8254780251.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1520874528.

It is an unprimeable number.

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, 104751 + ... + 118382.

It is an arithmetic number, because the mean of its divisors is an integer number (84344652).

Almost surely, 2^1520874528 is an apocalyptic number.

It is an amenable number.

1520874528 is an abundant number, since it is smaller than the sum of its proper divisors (2527668768).

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

1520874528 is a wasteful number, since it uses less digits than its factorization.

1520874528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223217 (or 223209 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 42.

The square root of 1520874528 is about 38998.3913514391. The cubic root of 1520874528 is about 1149.9998810334. Note that the first 3 decimals are identical.

The spelling of 1520874528 in words is "one billion, five hundred twenty million, eight hundred seventy-four thousand, five hundred twenty-eight".