1162321312 has 48 divisors (see below), whose sum is σ = 2339487360. Its totient is φ = 568309248.

The previous prime is 1162321301. The next prime is 1162321313. The reversal of 1162321312 is 2131232611.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1162321313) 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, 268348 + ... + 272644.

It is an arithmetic number, because the mean of its divisors is an integer number (48739320).

Almost surely, 2^1162321312 is an apocalyptic number.

It is an amenable number.

1162321312 is an abundant number, since it is smaller than the sum of its proper divisors (1177166048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1162321312 is a wasteful number, since it uses less digits than its factorization.

1162321312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4493 (or 4485 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 1162321312 is about 34092.8337337922. The cubic root of 1162321312 is about 1051.4179820193.

Adding to 1162321312 its reverse (2131232611), we get a palindrome (3293553923).

The spelling of 1162321312 in words is "one billion, one hundred sixty-two million, three hundred twenty-one thousand, three hundred twelve".