1161322306 has 8 divisors (see below), whose sum is σ = 1742578704. Its totient is φ = 580462740.

The previous prime is 1161322303. The next prime is 1161322307. The reversal of 1161322306 is 6032231611.

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

It is not an unprimeable number, because it can be changed into a prime (1161322301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91780 + ... + 103663.

It is an arithmetic number, because the mean of its divisors is an integer number (217822338).

Almost surely, 2^1161322306 is an apocalyptic number.

1161322306 is a deficient number, since it is larger than the sum of its proper divisors (581256398).

1161322306 is a wasteful number, since it uses less digits than its factorization.

1161322306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198416.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1161322306 is about 34078.1793234322. The cubic root of 1161322306 is about 1051.1166671894.

Adding to 1161322306 its reverse (6032231611), we get a palindrome (7193553917).

The spelling of 1161322306 in words is "one billion, one hundred sixty-one million, three hundred twenty-two thousand, three hundred six".