1884121 has 2 divisors, whose sum is σ = 1884122. Its totient is φ = 1884120.

The previous prime is 1884119. The next prime is 1884133. The reversal of 1884121 is 1214881.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1784896 + 99225 = 1336^2 + 315^2 .

It is a cyclic number.

It is not a de Polignac number, because 1884121 - 2¹ = 1884119 is a prime.

Together with 1884119, it forms a pair of twin primes.

It is equal to p₁₄₀₉₂₉ and since 1884121 and 140929 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1884221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 942060 + 942061.

It is an arithmetic number, because the mean of its divisors is an integer number (942061).

2^1884121 is an apocalyptic number.

It is an amenable number.

1884121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1884121 is an equidigital number, since it uses as much as digits as its factorization.

1884121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 512, while the sum is 25.

The square root of 1884121 is about 1372.6328715283. The cubic root of 1884121 is about 123.5102298836.

The spelling of 1884121 in words is "one million, eight hundred eighty-four thousand, one hundred twenty-one".