122104242 has 24 divisors (see below), whose sum is σ = 284910444. Its totient is φ = 37570464.

The previous prime is 122104237. The next prime is 122104247. The reversal of 122104242 is 242401221.

It is an interprime number because it is at equal distance from previous prime (122104237) and next prime (122104247).

It can be written as a sum of positive squares in 2 ways, for example, as 118788201 + 3316041 = 10899^2 + 1821^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (122104247) 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, 260673 + ... + 261140.

Almost surely, 2^122104242 is an apocalyptic number.

122104242 is an abundant number, since it is smaller than the sum of its proper divisors (162806202).

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

122104242 is a wasteful number, since it uses less digits than its factorization.

122104242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521834 (or 521831 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 122104242 is about 11050.0788232483. The cubic root of 122104242 is about 496.1087847803.

Adding to 122104242 its reverse (242401221), we get a palindrome (364505463).

The spelling of 122104242 in words is "one hundred twenty-two million, one hundred four thousand, two hundred forty-two".