1812059 has 2 divisors, whose sum is σ = 1812060. Its totient is φ = 1812058.

The previous prime is 1812053. The next prime is 1812061. The reversal of 1812059 is 9502181.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1812059 - 2¹² = 1807963 is a prime.

Together with 1812061, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1812053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 906029 + 906030.

It is an arithmetic number, because the mean of its divisors is an integer number (906030).

2^1812059 is an apocalyptic number.

1812059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1812059 is an equidigital number, since it uses as much as digits as its factorization.

1812059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 1812059 is about 1346.1274085316. The cubic root of 1812059 is about 121.9150846889.

The spelling of 1812059 in words is "one million, eight hundred twelve thousand, fifty-nine".