1075645 has 8 divisors (see below), whose sum is σ = 1321056. Its totient is φ = 840336.

The previous prime is 1075643. The next prime is 1075649. The reversal of 1075645 is 5465701.

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

It is a cyclic number.

It is not a de Polignac number, because 1075645 - 2¹ = 1075643 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075643) 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 7 ways as a sum of consecutive naturals, for example, 2287 + ... + 2716.

It is an arithmetic number, because the mean of its divisors is an integer number (165132).

2^1075645 is an apocalyptic number.

It is an amenable number.

1075645 is a deficient number, since it is larger than the sum of its proper divisors (245411).

1075645 is an equidigital number, since it uses as much as digits as its factorization.

1075645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5051.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 1075645 is about 1037.1330676437. The cubic root of 1075645 is about 102.4604646258.

It can be divided in two parts, 10756 and 45, that added together give a palindrome (10801).

The spelling of 1075645 in words is "one million, seventy-five thousand, six hundred forty-five".