123242522 has 8 divisors (see below), whose sum is σ = 199084116. Its totient is φ = 56881152.

The previous prime is 123242513. The next prime is 123242527. The reversal of 123242522 is 225242321.

It can be written as a sum of positive squares in 2 ways, for example, as 120582361 + 2660161 = 10981^2 + 1631^2 .

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

It is not an unprimeable number, because it can be changed into a prime (123242527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2370023 + ... + 2370074.

Almost surely, 2^123242522 is an apocalyptic number.

123242522 is a deficient number, since it is larger than the sum of its proper divisors (75841594).

123242522 is a wasteful number, since it uses less digits than its factorization.

123242522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4740112.

The product of its digits is 1920, while the sum is 23.

The square root of 123242522 is about 11101.4648582969. The cubic root of 123242522 is about 497.6456272586.

Adding to 123242522 its reverse (225242321), we get a palindrome (348484843).

The spelling of 123242522 in words is "one hundred twenty-three million, two hundred forty-two thousand, five hundred twenty-two".