122000019 has 8 divisors (see below), whose sum is σ = 162738432. Its totient is φ = 81297480.

The previous prime is 122000003. The next prime is 122000029. The reversal of 122000019 is 910000221.

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 122000019 - 2⁴ = 122000003 is a prime.

It is a super-2 number, since 2×122000019² = 29768009272000722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121999971 and 122000007.

It is not an unprimeable number, because it can be changed into a prime (122000029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354 + ... + 15624.

It is an arithmetic number, because the mean of its divisors is an integer number (20342304).

Almost surely, 2^122000019 is an apocalyptic number.

122000019 is a deficient number, since it is larger than the sum of its proper divisors (40738413).

122000019 is a wasteful number, since it uses less digits than its factorization.

122000019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17937.

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

The square root of 122000019 is about 11045.3618772768. The cubic root of 122000019 is about 495.9675921312.

The spelling of 122000019 in words is "one hundred twenty-two million, nineteen", and thus it is an aban number.