1004745 has 24 divisors (see below), whose sum is σ = 1871424. Its totient is φ = 458976.

The previous prime is 1004743. The next prime is 1004747. The reversal of 1004745 is 5474001.

1004745 is nontrivially palindromic in base 6.

It is an interprime number because it is at equal distance from previous prime (1004743) and next prime (1004747).

It is not a de Polignac number, because 1004745 - 2¹ = 1004743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

1004745 is a lucky number.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (1004743) 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 23 ways as a sum of consecutive naturals, for example, 52 + ... + 1418.

It is an arithmetic number, because the mean of its divisors is an integer number (77976).

2^1004745 is an apocalyptic number.

1004745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1004745 is a deficient number, since it is larger than the sum of its proper divisors (866679).

1004745 is a wasteful number, since it uses less digits than its factorization.

1004745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389 (or 1382 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 1004745 is about 1002.3696922793. The cubic root of 1004745 is about 100.1579171571.

Adding to 1004745 its reverse (5474001), we get a palindrome (6478746).

The spelling of 1004745 in words is "one million, four thousand, seven hundred forty-five".