123502 has 4 divisors (see below), whose sum is σ = 185256. Its totient is φ = 61750.

The previous prime is 123499. The next prime is 123503. The reversal of 123502 is 205321.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30874 + ... + 30877.

It is an arithmetic number, because the mean of its divisors is an integer number (46314).

2¹²³⁵⁰² is an apocalyptic number.

123502 is a deficient number, since it is larger than the sum of its proper divisors (61754).

123502 is an equidigital number, since it uses as much as digits as its factorization.

123502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61753.

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

The square root of 123502 is about 351.4285133566. The cubic root of 123502 is about 49.7994634437.

Adding to 123502 its reverse (205321), we get a palindrome (328823).

It can be divided in two parts, 123 and 502, that added together give a 4-th power (625 = 5⁴).

The spelling of 123502 in words is "one hundred twenty-three thousand, five hundred two".