1148665 has 16 divisors (see below), whose sum is σ = 1619712. Its totient is φ = 765504.

The previous prime is 1148663. The next prime is 1148677. The reversal of 1148665 is 5668411.

It is a cyclic number.

It is not a de Polignac number, because 1148665 - 2¹ = 1148663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148663) 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 15 ways as a sum of consecutive naturals, for example, 852 + ... + 1738.

It is an arithmetic number, because the mean of its divisors is an integer number (101232).

2^1148665 is an apocalyptic number.

It is an amenable number.

1148665 is a deficient number, since it is larger than the sum of its proper divisors (471047).

1148665 is an equidigital number, since it uses as much as digits as its factorization.

1148665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936.

The product of its digits is 5760, while the sum is 31.

The square root of 1148665 is about 1071.7579017670. The cubic root of 1148665 is about 104.7283985889.

The spelling of 1148665 in words is "one million, one hundred forty-eight thousand, six hundred sixty-five".