123978882 has 8 divisors (see below), whose sum is σ = 247957776. Its totient is φ = 41326292.

The previous prime is 123978871. The next prime is 123978913. The reversal of 123978882 is 288879321.

It is a sphenic number, since it is the product of 3 distinct primes.

123978882 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10331568 + ... + 10331579.

It is an arithmetic number, because the mean of its divisors is an integer number (30994722).

Almost surely, 2^123978882 is an apocalyptic number.

123978882 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

123978882 is a wasteful number, since it uses less digits than its factorization.

123978882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20663152.

The product of its digits is 387072, while the sum is 48.

The square root of 123978882 is about 11134.5804590923. The cubic root of 123978882 is about 498.6347851026.

The spelling of 123978882 in words is "one hundred twenty-three million, nine hundred seventy-eight thousand, eight hundred eighty-two".