122042443 has 12 divisors (see below), whose sum is σ = 128033472. Its totient is φ = 116210160.

The previous prime is 122042429. The next prime is 122042449. The reversal of 122042443 is 344240221.

It is a happy number.

It is not a de Polignac number, because 122042443 - 2¹⁷ = 121911371 is a prime.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (122042449) 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 11 ways as a sum of consecutive naturals, for example, 138721 + ... + 139597.

It is an arithmetic number, because the mean of its divisors is an integer number (10669456).

Almost surely, 2^122042443 is an apocalyptic number.

122042443 is a deficient number, since it is larger than the sum of its proper divisors (5991029).

122042443 is an frugal number, since it uses more digits than its factorization.

122042443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 122042443 is about 11047.2821544487. The cubic root of 122042443 is about 496.0250743372.

Adding to 122042443 its reverse (344240221), we get a palindrome (466282664).

The spelling of 122042443 in words is "one hundred twenty-two million, forty-two thousand, four hundred forty-three".