1152020211 has 8 divisors (see below), whose sum is σ = 1536349584. Its totient is φ = 767852160.

The previous prime is 1152020203. The next prime is 1152020213. The reversal of 1152020211 is 1120202511.

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

It is not a de Polignac number, because 1152020211 - 2³ = 1152020203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1152020213) 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, 22546 + ... + 53031.

It is an arithmetic number, because the mean of its divisors is an integer number (192043698).

Almost surely, 2^1152020211 is an apocalyptic number.

1152020211 is a deficient number, since it is larger than the sum of its proper divisors (384329373).

1152020211 is an equidigital number, since it uses as much as digits as its factorization.

1152020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80661.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1152020211 is about 33941.4232317975. The cubic root of 1152020211 is about 1048.3026881806.

Adding to 1152020211 its reverse (1120202511), we get a palindrome (2272222722).

The spelling of 1152020211 in words is "one billion, one hundred fifty-two million, twenty thousand, two hundred eleven".