1461009 has 8 divisors (see below), whose sum is σ = 2125152. Its totient is φ = 885440.

The previous prime is 1461001. The next prime is 1461073. The reversal of 1461009 is 9001641.

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 1461009 - 2³ = 1461001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1461001) 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, 22104 + ... + 22169.

It is an arithmetic number, because the mean of its divisors is an integer number (265644).

2^1461009 is an apocalyptic number.

It is an amenable number.

1461009 is a deficient number, since it is larger than the sum of its proper divisors (664143).

1461009 is a wasteful number, since it uses less digits than its factorization.

1461009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44287.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1461009 is about 1208.7220524173. The cubic root of 1461009 is about 113.4708471123.

The spelling of 1461009 in words is "one million, four hundred sixty-one thousand, nine".