123081116 has 24 divisors (see below), whose sum is σ = 217642320. Its totient is φ = 60901632.

The previous prime is 123081089. The next prime is 123081121. The reversal of 123081116 is 611180321.

It is a super-2 number, since 2×123081116² = 30297922231610912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123081091 and 123081100.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 284036 + ... + 284468.

It is an arithmetic number, because the mean of its divisors is an integer number (9068430).

Almost surely, 2^123081116 is an apocalyptic number.

It is an amenable number.

123081116 is a deficient number, since it is larger than the sum of its proper divisors (94561204).

123081116 is a wasteful number, since it uses less digits than its factorization.

123081116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013 (or 1011 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 123081116 is about 11094.1928953845. The cubic root of 123081116 is about 497.4282832238.

The spelling of 123081116 in words is "one hundred twenty-three million, eighty-one thousand, one hundred sixteen".