1158764 has 12 divisors (see below), whose sum is σ = 2075304. Its totient is φ = 565824.

The previous prime is 1158761. The next prime is 1158769. The reversal of 1158764 is 4678511.

It is a happy number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1158764.

It is not an unprimeable number, because it can be changed into a prime (1158761) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3197 + ... + 3540.

It is an arithmetic number, because the mean of its divisors is an integer number (172942).

2^1158764 is an apocalyptic number.

It is an amenable number.

1158764 is a deficient number, since it is larger than the sum of its proper divisors (916540).

1158764 is a wasteful number, since it uses less digits than its factorization.

1158764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6784 (or 6782 counting only the distinct ones).

The product of its digits is 6720, while the sum is 32.

The square root of 1158764 is about 1076.4590099024. The cubic root of 1158764 is about 105.0344255978.

The spelling of 1158764 in words is "one million, one hundred fifty-eight thousand, seven hundred sixty-four".