120102019 has 8 divisors (see below), whose sum is σ = 121072320. Its totient is φ = 119135400.

The previous prime is 120102013. The next prime is 120102077. The reversal of 120102019 is 910201021.

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

It is a cyclic number.

It is not a de Polignac number, because 120102019 - 2⁵ = 120101987 is a prime.

It is a super-2 number, since 2×120102019² = 28848989935752722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120101993 and 120102011.

It is not an unprimeable number, because it can be changed into a prime (120102013) 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, 123204 + ... + 124174.

It is an arithmetic number, because the mean of its divisors is an integer number (15134040).

Almost surely, 2^120102019 is an apocalyptic number.

120102019 is a deficient number, since it is larger than the sum of its proper divisors (970301).

120102019 is an equidigital number, since it uses as much as digits as its factorization.

120102019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841.

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

The square root of 120102019 is about 10959.1066697975. The cubic root of 120102019 is about 493.3821533234.

The spelling of 120102019 in words is "one hundred twenty million, one hundred two thousand, nineteen".