123886998 has 12 divisors (see below), whose sum is σ = 268421868. Its totient is φ = 41295660.

The previous prime is 123886967. The next prime is 123887003. The reversal of 123886998 is 899688321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3441288 + ... + 3441323.

It is an arithmetic number, because the mean of its divisors is an integer number (22368489).

Almost surely, 2^123886998 is an apocalyptic number.

123886998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

123886998 is an abundant number, since it is smaller than the sum of its proper divisors (144534870).

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

123886998 is a wasteful number, since it uses less digits than its factorization.

123886998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6882619 (or 6882616 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 123886998 is about 11130.4536295696. The cubic root of 123886998 is about 498.5115708876.

The spelling of 123886998 in words is "one hundred twenty-three million, eight hundred eighty-six thousand, nine hundred ninety-eight".