1152521532 has 36 divisors (see below), whose sum is σ = 3066652680. Its totient is φ = 363953952.

The previous prime is 1152521519. The next prime is 1152521533. The reversal of 1152521532 is 2351252511.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1152521496 and 1152521505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152521533) 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 11 ways as a sum of consecutive naturals, for example, 841803 + ... + 843170.

Almost surely, 2^1152521532 is an apocalyptic number.

1152521532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1152521532 is an abundant number, since it is smaller than the sum of its proper divisors (1914131148).

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

1152521532 is a wasteful number, since it uses less digits than its factorization.

1152521532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685002 (or 1684997 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 1152521532 is about 33948.8075195580. The cubic root of 1152521532 is about 1048.4547283194.

The spelling of 1152521532 in words is "one billion, one hundred fifty-two million, five hundred twenty-one thousand, five hundred thirty-two".