1048665 has 8 divisors (see below), whose sum is σ = 1677888. Its totient is φ = 559280.

The previous prime is 1048661. The next prime is 1048681. The reversal of 1048665 is 5668401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1048665 - 2² = 1048661 is a prime.

1048665 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1048661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34941 + ... + 34970.

It is an arithmetic number, because the mean of its divisors is an integer number (209736).

2^1048665 is an apocalyptic number.

1048665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1048665 is a deficient number, since it is larger than the sum of its proper divisors (629223).

1048665 is an equidigital number, since it uses as much as digits as its factorization.

1048665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69919.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1048665 is about 1024.0434561092. The cubic root of 1048665 is about 101.5965415670.

The spelling of 1048665 in words is "one million, forty-eight thousand, six hundred sixty-five".