1150212205 has 8 divisors (see below), whose sum is σ = 1389519000. Its totient is φ = 913993536.

The previous prime is 1150212169. The next prime is 1150212209. The reversal of 1150212205 is 5022120511.

It can be written as a sum of positive squares in 4 ways, for example, as 109956196 + 1040256009 = 10486^2 + 32253^2 .

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 1150212205 - 2²³ = 1141823597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150212209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771210 + ... + 772699.

It is an arithmetic number, because the mean of its divisors is an integer number (173689875).

Almost surely, 2^1150212205 is an apocalyptic number.

It is an amenable number.

1150212205 is a deficient number, since it is larger than the sum of its proper divisors (239306795).

1150212205 is a wasteful number, since it uses less digits than its factorization.

1150212205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544063.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1150212205 is about 33914.7785633343. The cubic root of 1150212205 is about 1047.7539912262.

Adding to 1150212205 its reverse (5022120511), we get a palindrome (6172332716).

The spelling of 1150212205 in words is "one billion, one hundred fifty million, two hundred twelve thousand, two hundred five".