122019843 has 16 divisors (see below), whose sum is σ = 186825600. Its totient is φ = 70058880.

The previous prime is 122019827. The next prime is 122019851. The reversal of 122019843 is 348910221.

It is not a de Polignac number, because 122019843 - 2⁴ = 122019827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122019843.

It is not an unprimeable number, because it can be changed into a prime (122019143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96678 + ... + 97931.

It is an arithmetic number, because the mean of its divisors is an integer number (11676600).

Almost surely, 2^122019843 is an apocalyptic number.

122019843 is a deficient number, since it is larger than the sum of its proper divisors (64805757).

122019843 is a wasteful number, since it uses less digits than its factorization.

122019843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194642.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 122019843 is about 11046.2592310700. The cubic root of 122019843 is about 495.9944542282.

The spelling of 122019843 in words is "one hundred twenty-two million, nineteen thousand, eight hundred forty-three".