1118219 has 2 divisors, whose sum is σ = 1118220. Its totient is φ = 1118218.

The previous prime is 1118203. The next prime is 1118261. The reversal of 1118219 is 9128111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1118219 - 2⁴ = 1118203 is a prime.

It is a super-2 number, since 2×1118219² = 2500827463922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1118194 and 1118203.

It is not a weakly prime, because it can be changed into another prime (1118419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559109 + 559110.

It is an arithmetic number, because the mean of its divisors is an integer number (559110).

2^1118219 is an apocalyptic number.

1118219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118219 is an equidigital number, since it uses as much as digits as its factorization.

1118219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 23.

The square root of 1118219 is about 1057.4587462402. The cubic root of 1118219 is about 103.7948062142.

The spelling of 1118219 in words is "one million, one hundred eighteen thousand, two hundred nineteen".