1006161 has 8 divisors (see below), whose sum is σ = 1444800. Its totient is φ = 619152.

The previous prime is 1006153. The next prime is 1006163. The reversal of 1006161 is 1616001.

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

It is not a de Polignac number, because 1006161 - 2³ = 1006153 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1006161.

It is not an unprimeable number, because it can be changed into a prime (1006163) 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 7 ways as a sum of consecutive naturals, for example, 12861 + ... + 12938.

It is an arithmetic number, because the mean of its divisors is an integer number (180600).

2^1006161 is an apocalyptic number.

It is an amenable number.

1006161 is a deficient number, since it is larger than the sum of its proper divisors (438639).

1006161 is a wasteful number, since it uses less digits than its factorization.

1006161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25815.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1006161 is about 1003.0757698200. The cubic root of 1006161 is about 100.2049463497.

The spelling of 1006161 in words is "one million, six thousand, one hundred sixty-one".