1152102221 has 8 divisors (see below), whose sum is σ = 1215561600. Its totient is φ = 1088925120.

The previous prime is 1152102209. The next prime is 1152102229. The reversal of 1152102221 is 1222012511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1152102221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1152102221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152102229) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 62156 + ... + 78533.

It is an arithmetic number, because the mean of its divisors is an integer number (151945200).

Almost surely, 2^1152102221 is an apocalyptic number.

It is an amenable number.

1152102221 is a deficient number, since it is larger than the sum of its proper divisors (63459379).

1152102221 is a wasteful number, since it uses less digits than its factorization.

1152102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141139.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1152102221 is about 33942.6313210983. The cubic root of 1152102221 is about 1048.3275631098.

Adding to 1152102221 its reverse (1222012511), we get a palindrome (2374114732).

The spelling of 1152102221 in words is "one billion, one hundred fifty-two million, one hundred two thousand, two hundred twenty-one".