122042243 has 12 divisors (see below), whose sum is σ = 126292320. Its totient is φ = 117929952.

The previous prime is 122042233. The next prime is 122042251. The reversal of 122042243 is 342240221.

It is not a de Polignac number, because 122042243 - 2⁴ = 122042227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122042233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 327005 + ... + 327377.

It is an arithmetic number, because the mean of its divisors is an integer number (10524360).

Almost surely, 2^122042243 is an apocalyptic number.

122042243 is a deficient number, since it is larger than the sum of its proper divisors (4250077).

122042243 is an equidigital number, since it uses as much as digits as its factorization.

122042243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 122042243 is about 11047.2731024448. The cubic root of 122042243 is about 496.0248033794.

Adding to 122042243 its reverse (342240221), we get a palindrome (464282464).

The spelling of 122042243 in words is "one hundred twenty-two million, forty-two thousand, two hundred forty-three".