123888146 has 16 divisors (see below), whose sum is σ = 200952576. Its totient is φ = 57059136.

The previous prime is 123888137. The next prime is 123888161. The reversal of 123888146 is 641888321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37166 + ... + 40361.

It is an arithmetic number, because the mean of its divisors is an integer number (12559536).

Almost surely, 2^123888146 is an apocalyptic number.

123888146 is a deficient number, since it is larger than the sum of its proper divisors (77064430).

123888146 is a wasteful number, since it uses less digits than its factorization.

123888146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77593.

The product of its digits is 73728, while the sum is 41.

The square root of 123888146 is about 11130.5051996753. The cubic root of 123888146 is about 498.5131107035.

The spelling of 123888146 in words is "one hundred twenty-three million, eight hundred eighty-eight thousand, one hundred forty-six".