1160001 has 10 divisors (see below), whose sum is σ = 1732962. Its totient is φ = 773280.

The previous prime is 1159997. The next prime is 1160009. The reversal of 1160001 is 1000611.

It can be written as a sum of positive squares in only one way, i.e., 641601 + 518400 = 801^2 + 720^2 .

It is not a de Polignac number, because 1160001 - 2² = 1159997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1160009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7080 + ... + 7241.

2^1160001 is an apocalyptic number.

It is an amenable number.

1160001 is a deficient number, since it is larger than the sum of its proper divisors (572961).

1160001 is an equidigital number, since it uses as much as digits as its factorization.

1160001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14333 (or 14324 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1160001 is about 1077.0334256651. The cubic root of 1160001 is about 105.0717876429.

Adding to 1160001 its reverse (1000611), we get a palindrome (2160612).

The spelling of 1160001 in words is "one million, one hundred sixty thousand, one".