1152218272 has 12 divisors (see below), whose sum is σ = 2268429786. Its totient is φ = 576109120.

The previous prime is 1152218269. The next prime is 1152218293. The reversal of 1152218272 is 2728122511.

It can be written as a sum of positive squares in only one way, i.e., 1134611856 + 17606416 = 33684^2 + 4196^2 .

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 as a sum of consecutive naturals, namely, 18003379 + ... + 18003442.

Almost surely, 2^1152218272 is an apocalyptic number.

It is an amenable number.

1152218272 is a deficient number, since it is larger than the sum of its proper divisors (1116211514).

1152218272 is an equidigital number, since it uses as much as digits as its factorization.

1152218272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36006831 (or 36006823 counting only the distinct ones).

The product of its digits is 4480, while the sum is 31.

The square root of 1152218272 is about 33944.3407948954. The cubic root of 1152218272 is about 1048.3627611953.

The spelling of 1152218272 in words is "one billion, one hundred fifty-two million, two hundred eighteen thousand, two hundred seventy-two".