123101204 has 6 divisors (see below), whose sum is σ = 215427114. Its totient is φ = 61550600.

The previous prime is 123101203. The next prime is 123101239. The reversal of 123101204 is 402101321.

It can be written as a sum of positive squares in only one way, i.e., 108201604 + 14899600 = 10402^2 + 3860^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123101203) 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 as a sum of consecutive naturals, namely, 15387647 + ... + 15387654.

It is an arithmetic number, because the mean of its divisors is an integer number (35904519).

Almost surely, 2^123101204 is an apocalyptic number.

It is an amenable number.

123101204 is a deficient number, since it is larger than the sum of its proper divisors (92325910).

123101204 is a wasteful number, since it uses less digits than its factorization.

123101204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30775305 (or 30775303 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 123101204 is about 11095.0981969517. The cubic root of 123101204 is about 497.4553434155.

Adding to 123101204 its reverse (402101321), we get a palindrome (525202525).

The spelling of 123101204 in words is "one hundred twenty-three million, one hundred one thousand, two hundred four".