123421246 has 16 divisors (see below), whose sum is σ = 202107024. Its totient is φ = 56182464.

The previous prime is 123421237. The next prime is 123421271. The reversal of 123421246 is 642124321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 123421246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30616 + ... + 34411.

It is an arithmetic number, because the mean of its divisors is an integer number (12631689).

Almost surely, 2^123421246 is an apocalyptic number.

123421246 is a deficient number, since it is larger than the sum of its proper divisors (78685778).

123421246 is a wasteful number, since it uses less digits than its factorization.

123421246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65115.

The product of its digits is 2304, while the sum is 25.

The square root of 123421246 is about 11109.5115104130. The cubic root of 123421246 is about 497.8860698608.

Adding to 123421246 its reverse (642124321), we get a palindrome (765545567).

The spelling of 123421246 in words is "one hundred twenty-three million, four hundred twenty-one thousand, two hundred forty-six".