123978876 has 48 divisors (see below), whose sum is σ = 348015360. Its totient is φ = 33557760.

The previous prime is 123978871. The next prime is 123978913. The reversal of 123978876 is 678879321.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123978871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37245 + ... + 40436.

It is an arithmetic number, because the mean of its divisors is an integer number (7250320).

Almost surely, 2^123978876 is an apocalyptic number.

It is an amenable number.

123978876 is an abundant number, since it is smaller than the sum of its proper divisors (224036484).

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

123978876 is a wasteful number, since it uses less digits than its factorization.

123978876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77714 (or 77712 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 51.

The square root of 123978876 is about 11134.5801896614. The cubic root of 123978876 is about 498.6347770587.

The spelling of 123978876 in words is "one hundred twenty-three million, nine hundred seventy-eight thousand, eight hundred seventy-six".