123904248 has 128 divisors (see below), whose sum is σ = 348364800. Its totient is φ = 36481536.

The previous prime is 123904247. The next prime is 123904273. The reversal of 123904248 is 842409321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123904247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 975561 + ... + 975687.

It is an arithmetic number, because the mean of its divisors is an integer number (2721600).

Almost surely, 2^123904248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123904248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174182400).

123904248 is an abundant number, since it is smaller than the sum of its proper divisors (224460552).

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

123904248 is a wasteful number, since it uses less digits than its factorization.

123904248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 123904248 is about 11131.2285036289. The cubic root of 123904248 is about 498.5347073631.

The spelling of 123904248 in words is "one hundred twenty-three million, nine hundred four thousand, two hundred forty-eight".