123282250 has 64 divisors (see below), whose sum is σ = 284094720. Its totient is φ = 39009600.

The previous prime is 123282221. The next prime is 123282253. The reversal of 123282250 is 52282321.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (123282253) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 20041 + ... + 25459.

It is an arithmetic number, because the mean of its divisors is an integer number (4438980).

Almost surely, 2^123282250 is an apocalyptic number.

123282250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123282250 is an abundant number, since it is smaller than the sum of its proper divisors (160812470).

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

123282250 is a wasteful number, since it uses less digits than its factorization.

123282250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5456 (or 5446 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 123282250 is about 11103.2540275363. The cubic root of 123282250 is about 497.6990945770.

The spelling of 123282250 in words is "one hundred twenty-three million, two hundred eighty-two thousand, two hundred fifty".