1152221105 has 8 divisors (see below), whose sum is σ = 1580188992. Its totient is φ = 790094448.

The previous prime is 1152221099. The next prime is 1152221117. The reversal of 1152221105 is 5011222511.

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

It is a cyclic number.

It is not a de Polignac number, because 1152221105 - 2¹⁴ = 1152204721 is a prime.

It is a super-2 number, since 2×1152221105² = 2655226949614842050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16460267 + ... + 16460336.

It is an arithmetic number, because the mean of its divisors is an integer number (197523624).

Almost surely, 2^1152221105 is an apocalyptic number.

It is an amenable number.

1152221105 is a deficient number, since it is larger than the sum of its proper divisors (427967887).

1152221105 is an equidigital number, since it uses as much as digits as its factorization.

1152221105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32920615.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1152221105 is about 33944.3825249481. The cubic root of 1152221105 is about 1048.3636204102.

Adding to 1152221105 its reverse (5011222511), we get a palindrome (6163443616).

The spelling of 1152221105 in words is "one billion, one hundred fifty-two million, two hundred twenty-one thousand, one hundred five".