123122238 has 32 divisors (see below), whose sum is σ = 250597152. Its totient is φ = 40320000.

The previous prime is 123122231. The next prime is 123122239. The reversal of 123122238 is 832221321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123122231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175288 + ... + 175988.

It is an arithmetic number, because the mean of its divisors is an integer number (7831161).

Almost surely, 2^123122238 is an apocalyptic number.

123122238 is an abundant number, since it is smaller than the sum of its proper divisors (127474914).

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

123122238 is a wasteful number, since it uses less digits than its factorization.

123122238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180.

The product of its digits is 1152, while the sum is 24.

The square root of 123122238 is about 11096.0460525360. The cubic root of 123122238 is about 497.4836747924.

Adding to 123122238 its reverse (832221321), we get a palindrome (955343559).

The spelling of 123122238 in words is "one hundred twenty-three million, one hundred twenty-two thousand, two hundred thirty-eight".