1167001 has 8 divisors (see below), whose sum is σ = 1281024. Its totient is φ = 1054320.

The previous prime is 1166987. The next prime is 1167011. The reversal of 1167001 is 1007611.

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 1167001 - 2⁵ = 1166969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1167011) 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, 2856 + ... + 3238.

It is an arithmetic number, because the mean of its divisors is an integer number (160128).

2^1167001 is an apocalyptic number.

1167001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1167001 is a deficient number, since it is larger than the sum of its proper divisors (114023).

1167001 is a wasteful number, since it uses less digits than its factorization.

1167001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 1167001 is about 1080.2782049083. The cubic root of 1167001 is about 105.2827150460.

It can be divided in two parts, 116 and 7001, that added together give a palindrome (7117).

The spelling of 1167001 in words is "one million, one hundred sixty-seven thousand, one".