122042343 has 4 divisors (see below), whose sum is σ = 162723128. Its totient is φ = 81361560.

The previous prime is 122042293. The next prime is 122042369. The reversal of 122042343 is 343240221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343240221 = 3 ⋅114413407.

It is not a de Polignac number, because 122042343 - 2¹³ = 122034151 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122042383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20340388 + ... + 20340393.

It is an arithmetic number, because the mean of its divisors is an integer number (40680782).

Almost surely, 2^122042343 is an apocalyptic number.

122042343 is a deficient number, since it is larger than the sum of its proper divisors (40680785).

122042343 is an equidigital number, since it uses as much as digits as its factorization.

122042343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40680784.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 122042343 is about 11047.2776284477. The cubic root of 122042343 is about 496.0249388584.

Adding to 122042343 its reverse (343240221), we get a palindrome (465282564).

The spelling of 122042343 in words is "one hundred twenty-two million, forty-two thousand, three hundred forty-three".