123250042 has 16 divisors (see below), whose sum is σ = 186348960. Its totient is φ = 61136208.

The previous prime is 123250037. The next prime is 123250063. The reversal of 123250042 is 240052321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209673 + ... + 210259.

It is an arithmetic number, because the mean of its divisors is an integer number (11646810).

Almost surely, 2^123250042 is an apocalyptic number.

123250042 is a deficient number, since it is larger than the sum of its proper divisors (63098918).

123250042 is a wasteful number, since it uses less digits than its factorization.

123250042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 123250042 is about 11101.8035471720. The cubic root of 123250042 is about 497.6557488166.

The spelling of 123250042 in words is "one hundred twenty-three million, two hundred fifty thousand, forty-two".