123950 has 24 divisors (see below), whose sum is σ = 240312. Its totient is φ = 47520.

The previous prime is 123941. The next prime is 123953. The reversal of 123950 is 59321.

It is an Ulam number.

It is a Curzon number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1817 + ... + 1883.

It is an arithmetic number, because the mean of its divisors is an integer number (10013).

2¹²³⁹⁵⁰ is an apocalyptic number.

123950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123950 is a deficient number, since it is larger than the sum of its proper divisors (116362).

123950 is a wasteful number, since it uses less digits than its factorization.

123950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 123950 is about 352.0653348457. The cubic root of 123950 is about 49.8596061604.

The spelling of 123950 in words is "one hundred twenty-three thousand, nine hundred fifty".