1846121 has 2 divisors, whose sum is σ = 1846122. Its totient is φ = 1846120.

The previous prime is 1846099. The next prime is 1846129. The reversal of 1846121 is 1216481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1132096 + 714025 = 1064^2 + 845^2 .

It is a cyclic number.

It is not a de Polignac number, because 1846121 - 2⁶ = 1846057 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1846129) 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 as a sum of consecutive naturals, namely, 923060 + 923061.

It is an arithmetic number, because the mean of its divisors is an integer number (923061).

2^1846121 is an apocalyptic number.

It is an amenable number.

1846121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1846121 is an equidigital number, since it uses as much as digits as its factorization.

1846121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 23.

The square root of 1846121 is about 1358.7203538624. The cubic root of 1846121 is about 122.6742432243.

The spelling of 1846121 in words is "one million, eight hundred forty-six thousand, one hundred twenty-one".