1009745 has 12 divisors (see below), whose sum is σ = 1332660. Its totient is φ = 733920.

The previous prime is 1009741. The next prime is 1009747. The reversal of 1009745 is 5479001.

1009745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 450241 + 559504 = 671^2 + 748^2 .

It is not a de Polignac number, because 1009745 - 2² = 1009741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1009741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 230 + ... + 1439.

It is an arithmetic number, because the mean of its divisors is an integer number (111055).

2^1009745 is an apocalyptic number.

It is an amenable number.

1009745 is a deficient number, since it is larger than the sum of its proper divisors (322915).

1009745 is a wasteful number, since it uses less digits than its factorization.

1009745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696 (or 1685 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1009745 is about 1004.8606868616. The cubic root of 1009745 is about 100.3237838421.

The spelling of 1009745 in words is "one million, nine thousand, seven hundred forty-five".