1152220532 has 12 divisors (see below), whose sum is σ = 2019884580. Its totient is φ = 575110656.

The previous prime is 1152220483. The next prime is 1152220567. The reversal of 1152220532 is 2350222511.

It can be written as a sum of positive squares in 2 ways, for example, as 939177316 + 213043216 = 30646^2 + 14596^2 .

It is a super-2 number, since 2×1152220532² = 2655224308724726048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1152220498 and 1152220507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247307 + ... + 251922.

It is an arithmetic number, because the mean of its divisors is an integer number (168323715).

Almost surely, 2^1152220532 is an apocalyptic number.

It is an amenable number.

1152220532 is a deficient number, since it is larger than the sum of its proper divisors (867664048).

1152220532 is a wasteful number, since it uses less digits than its factorization.

1152220532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499810 (or 499808 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1152220532 is about 33944.3740846698. The cubic root of 1152220532 is about 1048.3634466262.

The spelling of 1152220532 in words is "one billion, one hundred fifty-two million, two hundred twenty thousand, five hundred thirty-two".