123501 has 8 divisors (see below), whose sum is σ = 188224. Its totient is φ = 70560.

The previous prime is 123499. The next prime is 123503. The reversal of 123501 is 105321.

It is an interprime number because it is at equal distance from previous prime (123499) and next prime (123503).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123501 - 2¹ = 123499 is a prime.

It is a Duffinian number.

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 in 7 ways as a sum of consecutive naturals, for example, 2920 + ... + 2961.

It is an arithmetic number, because the mean of its divisors is an integer number (23528).

2¹²³⁵⁰¹ is an apocalyptic number.

It is an amenable number.

123501 is a deficient number, since it is larger than the sum of its proper divisors (64723).

123501 is an equidigital number, since it uses as much as digits as its factorization.

123501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5891.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 123501 is about 351.4270905892. The cubic root of 123501 is about 49.7993290340.

Adding to 123501 its reverse (105321), we get a palindrome (228822).

The spelling of 123501 in words is "one hundred twenty-three thousand, five hundred one".