1151212232 has 16 divisors (see below), whose sum is σ = 2159630640. Its totient is φ = 575310736.

The previous prime is 1151212229. The next prime is 1151212243. The reversal of 1151212232 is 2322121511.

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, 19898 + ... + 51945.

It is an arithmetic number, because the mean of its divisors is an integer number (134976915).

Almost surely, 2^1151212232 is an apocalyptic number.

It is an amenable number.

1151212232 is a deficient number, since it is larger than the sum of its proper divisors (1008418408).

1151212232 is a wasteful number, since it uses less digits than its factorization.

1151212232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73852 (or 73848 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 1151212232 is about 33929.5185936966. The cubic root of 1151212232 is about 1048.0575522460.

Adding to 1151212232 its reverse (2322121511), we get a palindrome (3473333743).

The spelling of 1151212232 in words is "one billion, one hundred fifty-one million, two hundred twelve thousand, two hundred thirty-two".