123480 has 96 divisors (see below), whose sum is σ = 468000. Its totient is φ = 28224.

The previous prime is 123479. The next prime is 123491. The reversal of 123480 is 84321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 14.

It is a zygodrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17637 + ... + 17643.

It is an arithmetic number, because the mean of its divisors is an integer number (4875).

2¹²³⁴⁸⁰ is an apocalyptic number.

123480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234000).

123480 is an abundant number, since it is smaller than the sum of its proper divisors (344520).

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

123480 is a wasteful number, since it uses less digits than its factorization.

123480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 123480 is about 351.3972111443. The cubic root of 123480 is about 49.7965062629.

The spelling of 123480 in words is "one hundred twenty-three thousand, four hundred eighty".