122019 has 8 divisors (see below), whose sum is σ = 164880. Its totient is φ = 80256.

The previous prime is 122011. The next prime is 122021. The reversal of 122019 is 910221.

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 122019 - 2³ = 122011 is a prime.

It is a super-2 number, since 2×122019² = 29777272722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121989 and 122007.

It is not an unprimeable number, because it can be changed into a prime (122011) 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, 39 + ... + 495.

It is an arithmetic number, because the mean of its divisors is an integer number (20610).

2¹²²⁰¹⁹ is an apocalyptic number.

122019 is a deficient number, since it is larger than the sum of its proper divisors (42861).

122019 is an equidigital number, since it uses as much as digits as its factorization.

122019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549.

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

The square root of 122019 is about 349.3121812935. The cubic root of 122019 is about 49.5993311998.

The spelling of 122019 in words is "one hundred twenty-two thousand, nineteen".