1153212205 has 8 divisors (see below), whose sum is σ = 1397290752. Its totient is φ = 913612368.

The previous prime is 1153212167. The next prime is 1153212211. The reversal of 1153212205 is 5022123511.

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 1153212205 - 2⁷ = 1153212077 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 1119109 + ... + 1120138.

It is an arithmetic number, because the mean of its divisors is an integer number (174661344).

Almost surely, 2^1153212205 is an apocalyptic number.

It is an amenable number.

1153212205 is a deficient number, since it is larger than the sum of its proper divisors (244078547).

1153212205 is a wasteful number, since it uses less digits than its factorization.

1153212205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239355.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1153212205 is about 33958.9782679044. The cubic root of 1153212205 is about 1048.6641227497.

Adding to 1153212205 its reverse (5022123511), we get a palindrome (6175335716).

The spelling of 1153212205 in words is "one billion, one hundred fifty-three million, two hundred twelve thousand, two hundred five".