1020122219 has 2 divisors, whose sum is σ = 1020122220. Its totient is φ = 1020122218.

The previous prime is 1020122203. The next prime is 1020122261. The reversal of 1020122219 is 9122210201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020122219 - 2⁴ = 1020122203 is a prime.

It is a super-2 number, since 2×1020122219² = 2081298683394967922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1020122219.

It is not a weakly prime, because it can be changed into another prime (1020122269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510061109 + 510061110.

It is an arithmetic number, because the mean of its divisors is an integer number (510061110).

Almost surely, 2^1020122219 is an apocalyptic number.

1020122219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020122219 is an equidigital number, since it uses as much as digits as its factorization.

1020122219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1020122219 is about 31939.3522006944. The cubic root of 1020122219 is about 1006.6629133207.

The spelling of 1020122219 in words is "one billion, twenty million, one hundred twenty-two thousand, two hundred nineteen".