1152521452 has 12 divisors (see below), whose sum is σ = 2025570456. Its totient is φ = 573787040.

The previous prime is 1152521429. The next prime is 1152521453. The reversal of 1152521452 is 2541252511.

It is a self number, because there is not a number n which added to its sum of digits gives 1152521452.

It is not an unprimeable number, because it can be changed into a prime (1152521453) 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 3 ways as a sum of consecutive naturals, for example, 617374 + ... + 619237.

It is an arithmetic number, because the mean of its divisors is an integer number (168797538).

Almost surely, 2^1152521452 is an apocalyptic number.

It is an amenable number.

1152521452 is a deficient number, since it is larger than the sum of its proper divisors (873049004).

1152521452 is a wasteful number, since it uses less digits than its factorization.

1152521452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236848 (or 1236846 counting only the distinct ones).

The product of its digits is 4000, while the sum is 28.

The square root of 1152521452 is about 33948.8063413134. The cubic root of 1152521452 is about 1048.4547040606.

Adding to 1152521452 its reverse (2541252511), we get a palindrome (3693773963).

The spelling of 1152521452 in words is "one billion, one hundred fifty-two million, five hundred twenty-one thousand, four hundred fifty-two".