123481 has 8 divisors (see below), whose sum is σ = 133280. Its totient is φ = 114048.
The previous prime is 123479. The next prime is 123491. The reversal of 123481 is 184321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 123481 - 21 = 123479 is a prime.
It is a super-2 number, since 2×1234812 = 30495114722, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123401) 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, 1225 + ... + 1321.
It is an arithmetic number, because the mean of its divisors is an integer number (16660).
2123481 is an apocalyptic number.
It is an amenable number.
123481 is a deficient number, since it is larger than the sum of its proper divisors (9799).
123481 is an equidigital number, since it uses as much as digits as its factorization.
123481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 183.
The product of its digits is 192, while the sum is 19.
The square root of 123481 is about 351.3986340326. The cubic root of 123481 is about 49.7966406878.
The spelling of 123481 in words is "one hundred twenty-three thousand, four hundred eighty-one".
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