1161333232 has 20 divisors (see below), whose sum is σ = 2275367760. Its totient is φ = 574141568.

The previous prime is 1161333193. The next prime is 1161333269. The reversal of 1161333232 is 2323331611.

It is a junction number, because it is equal to n+sod(n) for n = 1161333197 and 1161333206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406348 + ... + 409195.

It is an arithmetic number, because the mean of its divisors is an integer number (113768388).

Almost surely, 2^1161333232 is an apocalyptic number.

It is an amenable number.

1161333232 is a deficient number, since it is larger than the sum of its proper divisors (1114034528).

1161333232 is an equidigital number, since it uses as much as digits as its factorization.

1161333232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815640 (or 815634 counting only the distinct ones).

The product of its digits is 1944, while the sum is 25.

The square root of 1161333232 is about 34078.3396309151. The cubic root of 1161333232 is about 1051.1199635653.

Adding to 1161333232 its reverse (2323331611), we get a palindrome (3484664843).

The spelling of 1161333232 in words is "one billion, one hundred sixty-one million, three hundred thirty-three thousand, two hundred thirty-two".