1129852520 has 32 divisors (see below), whose sum is σ = 2601292320. Its totient is φ = 441430080.

The previous prime is 1129852433. The next prime is 1129852531. The reversal of 1129852520 is 252589211.

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, 326726 + ... + 330165.

It is an arithmetic number, because the mean of its divisors is an integer number (81290385).

Almost surely, 2^1129852520 is an apocalyptic number.

1129852520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1129852520 is an abundant number, since it is smaller than the sum of its proper divisors (1471439800).

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

1129852520 is a wasteful number, since it uses less digits than its factorization.

1129852520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656945 (or 656941 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 1129852520 is about 33613.2789236635. The cubic root of 1129852520 is about 1041.5351219773.

The spelling of 1129852520 in words is "one billion, one hundred twenty-nine million, eight hundred fifty-two thousand, five hundred twenty".