1151240232 has 32 divisors (see below), whose sum is σ = 2907777600. Its totient is φ = 379789824.

The previous prime is 1151240197. The next prime is 1151240243. The reversal of 1151240232 is 2320421511.

It is a junction number, because it is equal to n+sod(n) for n = 1151240199 and 1151240208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244932 + ... + 249587.

It is an arithmetic number, because the mean of its divisors is an integer number (90868050).

Almost surely, 2^1151240232 is an apocalyptic number.

1151240232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1151240232 is an abundant number, since it is smaller than the sum of its proper divisors (1756537368).

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

1151240232 is a wasteful number, since it uses less digits than its factorization.

1151240232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494625 (or 494621 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1151240232 is about 33929.9312112477. The cubic root of 1151240232 is about 1048.0660491946.

Adding to 1151240232 its reverse (2320421511), we get a palindrome (3471661743).

The spelling of 1151240232 in words is "one billion, one hundred fifty-one million, two hundred forty thousand, two hundred thirty-two".