120123019 has 2 divisors, whose sum is σ = 120123020. Its totient is φ = 120123018.

The previous prime is 120123011. The next prime is 120123041. The reversal of 120123019 is 910321021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120123019 - 2³ = 120123011 is a prime.

It is a super-2 number, since 2×120123019² = 28859079387348722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 120122987 and 120123005.

It is not a weakly prime, because it can be changed into another prime (120123011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60061509 + 60061510.

It is an arithmetic number, because the mean of its divisors is an integer number (60061510).

Almost surely, 2^120123019 is an apocalyptic number.

120123019 is a deficient number, since it is larger than the sum of its proper divisors (1).

120123019 is an equidigital number, since it uses as much as digits as its factorization.

120123019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 120123019 is about 10960.0647352103. The cubic root of 120123019 is about 493.4109078259.

The spelling of 120123019 in words is "one hundred twenty million, one hundred twenty-three thousand, nineteen".