1170001 has 12 divisors (see below), whose sum is σ = 1414272. Its totient is φ = 948024.

The previous prime is 1169939. The next prime is 1170007. The reversal of 1170001 is 1000711.

It is not a de Polignac number, because 1170001 - 2⁷ = 1169873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1170001.

It is not an unprimeable number, because it can be changed into a prime (1170007) 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, 2296 + ... + 2758.

It is an arithmetic number, because the mean of its divisors is an integer number (117856).

2^1170001 is an apocalyptic number.

1170001 is the 625-th hex number.

It is an amenable number.

1170001 is a deficient number, since it is larger than the sum of its proper divisors (244271).

1170001 is an equidigital number, since it uses as much as digits as its factorization.

1170001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 7, while the sum is 10.

The square root of 1170001 is about 1081.6658448893. The cubic root of 1170001 is about 105.3728543237.

Adding to 1170001 its reverse (1000711), we get a palindrome (2170712).

The spelling of 1170001 in words is "one million, one hundred seventy thousand, one".