122431242 has 8 divisors (see below), whose sum is σ = 244862496. Its totient is φ = 40810412.

The previous prime is 122431241. The next prime is 122431249. The reversal of 122431242 is 242134221.

It is a sphenic number, since it is the product of 3 distinct primes.

122431242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (122431241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10202598 + ... + 10202609.

It is an arithmetic number, because the mean of its divisors is an integer number (30607812).

Almost surely, 2^122431242 is an apocalyptic number.

122431242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122431242 is a wasteful number, since it uses less digits than its factorization.

122431242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20405212.

The product of its digits is 768, while the sum is 21.

The square root of 122431242 is about 11064.8652047822. The cubic root of 122431242 is about 496.5512563596.

Adding to 122431242 its reverse (242134221), we get a palindrome (364565463).

The spelling of 122431242 in words is "one hundred twenty-two million, four hundred thirty-one thousand, two hundred forty-two".