1009149 has 8 divisors (see below), whose sum is σ = 1350720. Its totient is φ = 670176.

The previous prime is 1009139. The next prime is 1009153. The reversal of 1009149 is 9419001.

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

It is not a de Polignac number, because 1009149 - 2¹⁷ = 878077 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009139) 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, 609 + ... + 1545.

It is an arithmetic number, because the mean of its divisors is an integer number (168840).

2^1009149 is an apocalyptic number.

It is an amenable number.

1009149 is a deficient number, since it is larger than the sum of its proper divisors (341571).

1009149 is an equidigital number, since it uses as much as digits as its factorization.

1009149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 1009149 is about 1004.5640845660. The cubic root of 1009149 is about 100.3040413186.

The spelling of 1009149 in words is "one million, nine thousand, one hundred forty-nine".