1147161 has 8 divisors (see below), whose sum is σ = 1535040. Its totient is φ = 762032.

The previous prime is 1147141. The next prime is 1147169. The reversal of 1147161 is 1617411.

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 1147161 - 2¹⁴ = 1130777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1147169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676 + ... + 1658.

It is an arithmetic number, because the mean of its divisors is an integer number (191880).

2^1147161 is an apocalyptic number.

It is an amenable number.

1147161 is a deficient number, since it is larger than the sum of its proper divisors (387879).

1147161 is an equidigital number, since it uses as much as digits as its factorization.

1147161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375.

The product of its digits is 168, while the sum is 21.

The square root of 1147161 is about 1071.0560209438. The cubic root of 1147161 is about 104.6826700527.

The spelling of 1147161 in words is "one million, one hundred forty-seven thousand, one hundred sixty-one".