1027005 has 16 divisors (see below), whose sum is σ = 1878144. Its totient is φ = 469440.

The previous prime is 1027003. The next prime is 1027027. The reversal of 1027005 is 5007201.

1027005 = 154² + 155² + ... + 188².

It is a happy number.

It is not a de Polignac number, because 1027005 - 2¹ = 1027003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1027001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4786 + ... + 4995.

It is an arithmetic number, because the mean of its divisors is an integer number (117384).

2^1027005 is an apocalyptic number.

1027005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1027005 is a deficient number, since it is larger than the sum of its proper divisors (851139).

1027005 is an equidigital number, since it uses as much as digits as its factorization.

1027005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9796.

The product of its (nonzero) digits is 70, while the sum is 15.

The square root of 1027005 is about 1013.4125517281. The cubic root of 1027005 is about 100.8921830877.

The spelling of 1027005 in words is "one million, twenty-seven thousand, five".