1800119 has 2 divisors, whose sum is σ = 1800120. Its totient is φ = 1800118.

The previous prime is 1800103. The next prime is 1800121. The reversal of 1800119 is 9110081.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1800119 - 2⁴ = 1800103 is a prime.

It is a super-2 number, since 2×1800119² = 6480856828322, which contains 22 as substring.

Together with 1800121, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1800119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1800179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 900059 + 900060.

It is an arithmetic number, because the mean of its divisors is an integer number (900060).

2^1800119 is an apocalyptic number.

1800119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1800119 is an equidigital number, since it uses as much as digits as its factorization.

1800119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 1800119 is about 1341.6851344485. The cubic root of 1800119 is about 121.6467205266.

The spelling of 1800119 in words is "one million, eight hundred thousand, one hundred nineteen".