120122019 has 12 divisors (see below), whose sum is σ = 173724096. Its totient is φ = 79982352.

The previous prime is 120122003. The next prime is 120122021. The reversal of 120122019 is 910221021.

It is not a de Polignac number, because 120122019 - 2⁴ = 120122003 is a prime.

It is a super-2 number, since 2×120122019² = 28858598897272722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120121992 and 120122010.

It is not an unprimeable number, because it can be changed into a prime (120122059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147 + ... + 15500.

It is an arithmetic number, because the mean of its divisors is an integer number (14477008).

Almost surely, 2^120122019 is an apocalyptic number.

120122019 is a deficient number, since it is larger than the sum of its proper divisors (53602077).

120122019 is a wasteful number, since it uses less digits than its factorization.

120122019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16506 (or 16503 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 120122019 is about 10960.0191149468. The cubic root of 120122019 is about 493.4095386398.

It can be divided in two parts, 1201 and 22019, that added together give a triangular number (23220 = T₂₁₅).

The spelling of 120122019 in words is "one hundred twenty million, one hundred twenty-two thousand, nineteen".