1003745 has 8 divisors (see below), whose sum is σ = 1209984. Its totient is φ = 799344.

The previous prime is 1003741. The next prime is 1003747. The reversal of 1003745 is 5473001.

It is a happy number.

1003745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1003745 - 2² = 1003741 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1003741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1562 + ... + 2108.

It is an arithmetic number, because the mean of its divisors is an integer number (151248).

2^1003745 is an apocalyptic number.

It is an amenable number.

1003745 is a deficient number, since it is larger than the sum of its proper divisors (206239).

1003745 is an equidigital number, since it uses as much as digits as its factorization.

1003745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 1003745 is about 1001.8707501469. The cubic root of 1003745 is about 100.1246778231.

Adding to 1003745 its reverse (5473001), we get a palindrome (6476746).

The spelling of 1003745 in words is "one million, three thousand, seven hundred forty-five".