120002019 has 8 divisors (see below), whose sum is σ = 160386240. Its totient is φ = 79809576.

The previous prime is 120001939. The next prime is 120002021. The reversal of 120002019 is 910200021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120002019 - 2¹⁵ = 119969251 is a prime.

It is a super-2 number, since 2×120002019² = 28800969128152722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120001989 and 120002007.

It is not an unprimeable number, because it can be changed into a prime (120002059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46477 + ... + 48990.

It is an arithmetic number, because the mean of its divisors is an integer number (20048280).

Almost surely, 2^120002019 is an apocalyptic number.

120002019 is a deficient number, since it is larger than the sum of its proper divisors (40384221).

120002019 is an equidigital number, since it uses as much as digits as its factorization.

120002019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95889.

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

The square root of 120002019 is about 10954.5433040360. The cubic root of 120002019 is about 493.2451811185.

The spelling of 120002019 in words is "one hundred twenty million, two thousand, nineteen".