1020219 has 4 divisors (see below), whose sum is σ = 1360296. Its totient is φ = 680144.

The previous prime is 1020163. The next prime is 1020223. The reversal of 1020219 is 9120201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1020219 - 2¹² = 1016123 is a prime.

It is a super-2 number, since 2×1020219² = 2081693615922, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 1020198 and 1020207.

It is not an unprimeable number, because it can be changed into a prime (1020259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170034 + ... + 170039.

It is an arithmetic number, because the mean of its divisors is an integer number (340074).

2^1020219 is an apocalyptic number.

1020219 is a deficient number, since it is larger than the sum of its proper divisors (340077).

1020219 is an equidigital number, since it uses as much as digits as its factorization.

1020219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340076.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1020219 is about 1010.0589091731. The cubic root of 1020219 is about 100.6694747010.

The spelling of 1020219 in words is "one million, twenty thousand, two hundred nineteen".