123104660 has 36 divisors (see below), whose sum is σ = 300729492. Its totient is φ = 42206976.

The previous prime is 123104651. The next prime is 123104669. The reversal of 123104660 is 66401321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (123104651) and next prime (123104669).

It can be written as a sum of positive squares in 2 ways, for example, as 23464336 + 99640324 = 4844^2 + 9982^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123104669) 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, 61829 + ... + 63788.

It is an arithmetic number, because the mean of its divisors is an integer number (8353597).

Almost surely, 2^123104660 is an apocalyptic number.

123104660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123104660 is an abundant number, since it is smaller than the sum of its proper divisors (177624832).

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

123104660 is a wasteful number, since it uses less digits than its factorization.

123104660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125640 (or 125631 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 123104660 is about 11095.2539403116. The cubic root of 123104660 is about 497.4599986356.

Adding to 123104660 its reverse (66401321), we get a palindrome (189505981).

The spelling of 123104660 in words is "one hundred twenty-three million, one hundred four thousand, six hundred sixty".