1000120219 has 4 divisors (see below), whose sum is σ = 1142994544. Its totient is φ = 857245896.

The previous prime is 1000120181. The next prime is 1000120243. The reversal of 1000120219 is 9120210001.

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 1000120219 - 2⁷ = 1000120091 is a prime.

It is a super-2 number, since 2×1000120219² = 2000480904905215922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000120259) 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, 71437152 + ... + 71437165.

It is an arithmetic number, because the mean of its divisors is an integer number (285748636).

Almost surely, 2^1000120219 is an apocalyptic number.

1000120219 is a deficient number, since it is larger than the sum of its proper divisors (142874325).

1000120219 is an equidigital number, since it uses as much as digits as its factorization.

1000120219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142874324.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1000120219 is about 31624.6773738484. The cubic root of 1000120219 is about 1000.0400713943.

The spelling of 1000120219 in words is "one billion, one hundred twenty thousand, two hundred nineteen".