123250 has 32 divisors (see below), whose sum is σ = 252720. Its totient is φ = 44800.

The previous prime is 123239. The next prime is 123259. The reversal of 123250 is 52321.

It can be written as a sum of positive squares in 8 ways, for example, as 13689 + 109561 = 117^2 + 331^2 .

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 123250.

It is not an unprimeable number, because it can be changed into a prime (123259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4236 + ... + 4264.

2¹²³²⁵⁰ is an apocalyptic number.

123250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123250 is an abundant number, since it is smaller than the sum of its proper divisors (129470).

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

123250 is a wasteful number, since it uses less digits than its factorization.

123250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 123250 is about 351.0697936308. The cubic root of 123250 is about 49.7655692288.

Adding to 123250 its reverse (52321), we get a palindrome (175571).

It can be divided in two parts, 123 and 250, that added together give a palindrome (373).

The spelling of 123250 in words is "one hundred twenty-three thousand, two hundred fifty".