1146161 has 4 divisors (see below), whose sum is σ = 1148532. Its totient is φ = 1143792.

The previous prime is 1146143. The next prime is 1146179. The reversal of 1146161 is 1616411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1616411 = 17 ⋅95083.

It is an interprime number because it is at equal distance from previous prime (1146143) and next prime (1146179).

It can be written as a sum of positive squares in 2 ways, for example, as 891136 + 255025 = 944^2 + 505^2 .

It is a cyclic number.

It is not a de Polignac number, because 1146161 - 2⁶ = 1146097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1146461) 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 3 ways as a sum of consecutive naturals, for example, 170 + ... + 1523.

It is an arithmetic number, because the mean of its divisors is an integer number (287133).

2^1146161 is an apocalyptic number.

It is an amenable number.

1146161 is a deficient number, since it is larger than the sum of its proper divisors (2371).

1146161 is an equidigital number, since it uses as much as digits as its factorization.

1146161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370.

The product of its digits is 144, while the sum is 20.

The square root of 1146161 is about 1070.5890901742. The cubic root of 1146161 is about 104.6522433143.

The spelling of 1146161 in words is "one million, one hundred forty-six thousand, one hundred sixty-one".